CN109335962A - Furnace roof superheater assembly hanging method after a kind of boiler - Google Patents
Furnace roof superheater assembly hanging method after a kind of boiler Download PDFInfo
- Publication number
- CN109335962A CN109335962A CN201811255527.3A CN201811255527A CN109335962A CN 109335962 A CN109335962 A CN 109335962A CN 201811255527 A CN201811255527 A CN 201811255527A CN 109335962 A CN109335962 A CN 109335962A
- Authority
- CN
- China
- Prior art keywords
- furnace roof
- superheater
- vertical
- low
- column pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The present invention provides furnace roof superheater assembly hanging method after a kind of boiler, the following steps are included: ground assembles: rear furnace roof superheater tube screen is vertical on the ground, with crawler crane by it is vertical it is low again, upper section mid-board superheater, vertical low mistake and column pipe be threaded onto the wall-through hole of rear furnace roof superheater tube screen；It is described it is vertical it is low again, the other end of upper section mid-board superheater, vertical low mistake and column pipe supports with bracket；Sub-assembly turns over and lifting: the crawler crane of the component after being completed and horizontal tower crane are lifted turn to upright state；Sub-assembly lifting is in place: after the completion of sub-assembly turns over, being lifted in place, is hung on stove roof plate secondary beam after in place with chain block throwing, the component installation after being completed after the completion of adjustment with horizontal tower crane.This method greatly shortens the duration, and most of operations face is completed on ground, reduces high altitude operation, safety is higher, while greatly reducing main suspender expense.
Description
Technical field
The invention belongs to boiler construction and installation research fields, and in particular to furnace roof superheater assembly lifting side after a kind of boiler
Method.
Background technique
Furnace roof superheater is arranged at the top of rear cigarette well after boiler of power plant, preceding to connect furnace roof super-heater exit case, is wrapped after being followed by
Wall, centre are successively interspersed with vertical section low-temperature reheater (referred to as vertical low again), upper section mid-board superheater, vertical section low temperature mistake
Equipment, the methods that country's thermal power unit boiler installs this several equipment component at present such as hot device (referred to as vertical low mistake), column pipe are
Furnace roof superheater after first installing, to it all start to install one by one after the installation is completed it is vertical it is low again, vertically low mistake, upper section mid-board
The shortcomings that superheater and column pipe, the construction method is that the construction period is long, mounting cost is high.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.For this purpose, the present invention proposes a kind of pot
Furnace roof superheater assembly hanging method after furnace, this method greatly shortens the duration, and most of operations face is completed on ground, reduces high
Idle job, safety is higher, while greatly reducing main suspender expense.
The technical scheme is that furnace roof superheater assembly hanging method after a kind of boiler, comprising the following steps:
Ground assembling: rear furnace roof superheater tube screen is vertical on the ground, with crawler crane will it is vertical it is low again, upper section mid-board mistake
Hot device, vertical low mistake and column pipe are threaded onto the wall-through hole of rear furnace roof superheater tube screen；It is described it is vertical it is low again and vertical low mistake
One end pass through rear furnace roof superheater tube screen wall-through hole after by the first steel pipe strap at the top of rear furnace roof superheater tube screen；Institute
The one end for stating column pipe and upper section partition wall superheater will with the second steel plate aperture after the wall-through hole of rear furnace roof superheater tube screen
Its top for being stuck in rear furnace roof superheater tube screen；It is described it is vertical it is low again, upper section mid-board superheater, vertical low mistake and column pipe
The other end is supported with bracket；
Sub-assembly turns over and lifting: the crawler crane of the component after being completed and horizontal tower crane are lifted turn to vertical
State；
Sub-assembly lifting is in place: after the completion of sub-assembly turns over, being lifted in place with horizontal tower crane, is thrown after in place with chain block
It hangs on stove roof plate secondary beam, by the component after being completed and furnace roof super-heater exit case and rear packet wall counterpart after the completion of adjustment
Welding.
In above scheme, the column pipe includes low column pipe again, Coal Saver Hanged Pipe and low import header column pipe excessively.
Further, installed on furnace roof superheater tube screen after described it is vertical it is low again, it is upper section mid-board superheater, vertical low
Cross and column pipe from front to back successively are as follows: it is vertical it is low again, low column pipe again, it is vertical it is low again, low column pipe again, upper section mid-board mistake
Hot device, vertical low mistake, Coal Saver Hanged Pipe, vertical low mistake, low import header column pipe and Coal Saver Hanged Pipe excessively.
In above scheme, the upper and lower ends of the bracket are connected by I-steel；
It is connect by wirerope with I-steel below the gib head of the crawler crane.
Further, the horizontal tower crane is connected on rear furnace roof superheater tube screen by wirerope.
Further, the wirerope is connect with rear furnace roof superheater tube screen by lifting lug.
Compared with prior art, the beneficial effects of the present invention are: the present invention innovatively will it is vertical it is low again, vertically low mistake,
Upper section partition wall superheater and column pipe on the tube panel of furnace roof superheater, use boiler erection after ground is first installed on after the completion of combination
Main suspender directly lifts these sub-assemblies, is temporarily hung on plate secondary beam after each component is in place with chain block and wirerope,
After furnace roof superheater tube screen is adjusted after directly with furnace roof super-heater exit case and after packet wall butt welding install.This method
Ground group speed is fast, compared to first lifting steam, after install it is vertical it is low again, vertical low components such as excessively, the duration is significantly
Shorten.Most of operations face is completed on ground, reduces high altitude operation, and safety is higher.All 1 can be only used on ground
50t crawler crane, which is combined, to be installed, install it is high-efficient, compared to first lifting steam, after install it is vertical it is low again, it is vertically low
Equal components are crossed, the horizontal tower crane One-Shift Costs of main suspender are greatly reduced.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the rear furnace roof superheater tube screen structural schematic diagram of an embodiment of the present invention；
Fig. 2 is arrangement schematic diagram of the component of an embodiment of the present invention on rear furnace roof superheater tube screen；
Fig. 3 is the vertical low scheme of installation again of an embodiment of the present invention；
Fig. 4 be in Fig. 3 A to schematic diagram；
Fig. 5 is that vertical low install again of an embodiment of the present invention completes schematic diagram；
Fig. 6 is the support schematic diagram of an embodiment of the present invention；
Fig. 7 be in Fig. 6 B to schematic diagram；
Fig. 8 is that the column pipe of an embodiment of the present invention and rear furnace roof superheater tube screen plugging position reinforce schematic diagram；
Fig. 9 be in Fig. 8 C to schematic diagram；
Figure 10 is that the component of an embodiment of the present invention turns over schematic diagram；
Figure 11 is lifting lug position schematic diagram on the rear furnace roof superheater tube screen of an embodiment of the present invention；
Figure 12 is the lifting lug schematic diagram of an embodiment of the present invention；
Figure 13 is the schematic diagram in the direction D in Figure 12.
In figure: 1, rear furnace roof superheater tube screen；2, it is vertical it is low again；3, upper section mid-board superheater；4, vertical low mistake；5, it wears
Porthole；6, low column pipe again；7, Coal Saver Hanged Pipe；8, low to cross import header column pipe；9, furnace roof super-heater exit case；
10, the first steel pipe；11, the first steel plate；12, rear furnace roof superheater fin；13, rear furnace roof superheater pipe；14, bracket；15, slot
Steel；16, the second steel pipe；17, the second steel plate；18, column pipe sleeve；19, lifting lug；20, crawler crane；21, horizontal tower crane；22, work
Word steel.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation or positional relationship of the instructions such as " thickness ", "upper", "lower", " axial direction ", " radial direction ", "vertical", "horizontal", "inner", "outside"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with
Explicitly or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or
Two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
First below in conjunction with furnace roof superheater assembly lifting side after attached drawing specific descriptions boiler according to an embodiment of the present invention
Method.
Furnace roof superheater assembly hanging method after boiler of the present invention, comprising the following steps:
Ground assembling: rear furnace roof superheater tube screen 1 is vertical on the ground, as shown in Figure 1, will vertical low 2, upper section interval again
Wall superheater 3, vertical low mistake 4 and column pipe are assembled on rear furnace roof superheater tube screen 1, and component is in rear furnace roof superheater tube screen 1
On arrangement as shown in Fig. 2,
Lifting: the component after being completed is turned over to upright state, is installed.
Preferably, the ground assembling steps specifically:
Rear furnace roof superheater tube screen 1 is vertical on the ground, with crawler crane will it is vertical it is low again 2, upper section mid-board superheater 3,
Vertical low mistake 4 and column pipe are threaded onto the wall-through hole 5 of rear furnace roof superheater tube screen 1；
As shown in figure 3, it is described it is vertical it is low again 2 and one end of vertical low mistake 4 pass through the wall-through hole of rear furnace roof superheater tube screen 1
The first steel pipe 10 is used to be stuck in the top of rear furnace roof superheater tube screen 1 as pin after 5；It is vertical it is low again 2 and vertical low mistake 4 on point
Be not welded with the first steel plate 11, for fixed vertical it is low again 2 and vertical low mistake 4, the first steel plate 11 block the first steel pipe 10, thus
It 2 is stuck in vertically low on rear furnace roof superheater tube screen 1 with vertical low mistake 4 again.
One end of the column pipe and upper section partition wall superheater 3 passes through after the wall-through hole 5 of rear furnace roof superheater tube screen 1
Column pipe sleeve 18 is stuck in the top of rear furnace roof superheater tube screen 1 with 17 aperture of the second steel plate.
As shown in figure 5, vertical low 2, upper section mid-board superheater 3, the vertically other end of low mistake 4 and column pipe use again
Bracket 14 supports.
Preferably, the lifting step specifically:
The horizontal tower crane 21 of 20 cooperation of component crawler crane after being completed lifts turn to upright state, with horizontal tower
It is in place to hang 21 installations, is hung on stove roof plate secondary beam after in place with chain block throwing, by the component after being completed after the completion of adjustment
With furnace roof super-heater exit case 9 and rear packet wall butt welding.
Preferably, vertical low 2, upper section mid-board superheater 3, the vertically support of the other end of low mistake 4 and column pipe again
Bracket 14 connected by I-steel 22；
It is connect by wirerope with I-steel 22 below the gib head of the crawler crane 20.
Preferably, the horizontal tower crane 21 is connected on rear furnace roof superheater tube screen 1 by wirerope.
Preferably, the wirerope is connect with rear furnace roof superheater tube screen 1 by wearing fin lifting lug.
In specific implementation process, it is described after furnace roof superheater 1, vertical section low temperature superheater, vertical section low-temperature reheater,
Upper section mid-board superheater, column pipe carry out installation using this engineering method, and 1 50t crawler crane 20 all can be used on ground
Be combined and install, install it is high-efficient, compared to first lifting steam, after install it is vertical it is low again, vertical low components such as excessively,
Greatly reduce horizontal 21 One-Shift Costs of tower crane of main suspender 50t.Ground group speed is fast, compared to first lift after furnace roof superheater 1,
After install it is vertical it is low again 2, components, the duration such as vertical low mistake 4 greatly shorten.Most of operations face is completed on ground, reduces high-altitude
Operation, safety are higher.This method is suitable for furnace roof superheater 1, vertical low temperature after cigarette well area after all pulverized coal power boilers
The combination of the equipment such as reheater, vertical low temperature superheater, upper section mid-board superheater, column pipe is installed.
The operation principle of the present invention is that:
Furnace roof superheater has seven tube panels altogether after one boiler, and every tube panel is L-shaped, such as Fig. 1, can directly stand on ground
On, without additionally being reinforced to the tube panel.With 1 50t crawler crane 20 will it is vertical it is low again 2, upper section mid-board superheater 3, hang down
Straight low mistake 4, column pipe are threaded onto tube panel wall-through hole 5.Due to it is vertical it is low again 2 and vertical low mistake 4 be into chip architecture, it is vertical it is low again
2 and one end of vertical low mistake 4 pass through the top for using the first steel pipe 10 to be stuck in tube panel as pin after rear furnace roof superheater tube screen 1；
Column pipe and upper section mid-board superheater 3 are all single pipes, are overheated column pipe and upper section mid-board with 17 aperture of the second steel plate
One end of device 3 is stuck in the top of tube panel.Make falsework with 12# channel steel with support it is vertical it is low again 2, vertical low mistake 4, column pipe and
The other end of upper section mid-board superheater 3 cooperates pot with 50t crawler crane 20 after the sub-assembly forms a stable framework
The horizontal tower crane 21 of the main suspender 50t of furnace lifts turn to upright state, is finally installed in place with the horizontal tower crane 21 of 50t.
Specific implementation process of the present invention is as follows:
Technology, material, tool prepare, furnace roof superheater tube screen 1 after ground is vertical good, install and reinforce it is vertical it is low again 2 and its
Column pipe installs and reinforces upper section mid-board superheater 3, installs and reinforce vertical low temperature superheater and its column pipe, and component turns over
Body to it is in place when state, installation is in place.
1, preparation
Whether equipment is checked all to complete according to drawing list；Furnace roof superheater tube screen 1 after inspection, it is vertical it is low again 2, hang down
The equipment surfaces such as straight low mistake 4 whether have crackle, wound, sand holes the defects of, answer advanced processing Ru defective；To the equipment to scene
Carry out 100% spectral detection analysis material, it is ensured that installation material is correct.
2, it assembles
Vertical low 2, upper section mid-board superheater 3, vertical low mistake 4 and the suspention again interted on furnace roof superheater tube screen 1 afterwards
Pipe from front to back arrangement as shown in Fig. 2, one end of rear furnace roof superheater tube screen 1 is connect with furnace roof super-heater exit case 9, from from
The close one end of furnace roof super-heater exit case 9 be sequentially disposed in it is vertical it is low again 2, low column pipe again 6, it is vertical it is low again 2, low suspend in midair again
Pipe 6, upper section mid-board superheater 3, vertical low mistake 4, Coal Saver Hanged Pipe 7, vertical low mistake 4, low 8 and of import header column pipe excessively
Coal Saver Hanged Pipe 7.
The equipment being installed on rear furnace roof superheater tube screen 1 is broadly divided into tube panel and pipe, and vertical low again 2 and vertical low mistake
4 be tube panel in blocks, and column pipe and upper section mid-board superheater 3 are single pipe.
With shown in Fig. 3 and 4, it is vertical it is low when 2 tube panels install again with rear 1 plugging position reinforcing side of furnace roof superheater tube screen
Method: due to it is vertical it is low again 2 and vertical low mistake 4 be into chip architecture: the first steel plate 11 be welded on it is vertical it is low again 2 and vertical low mistake 4 manage
For fixing tube panel on screen, the first steel plate 11 blocks the first steel pipe 10, to 2 be stuck in rear furnace with vertical low mistake 4 again for vertically low
It pushes up on superheater tube screen 1.By it is vertical it is low again 2 install for, effect is as shown in Figure 5 after the completion of installing.
As shown in Figures 6 and 7, it is vertical it is low again 2 install after the completion of tail portion #14 channel steel 15 or #12 I-steel and
The bracket 14 that second steel pipe 16 is made into is reinforced, and the bracket 14 is ladder shape, by vertical low 2 bottoms again be fixed as one it is whole
Body facilitates component to turn over.When being installed for column pipe and the single pipe of upper section mid-board superheater 3, with rear furnace roof superheater tube screen 1
Plugging position reinforcement means is as shown in FIG. 8 and 9, and single pipe passes through the second steel plate 17 and column pipe sleeve 18 is fixed, and suspends in midair
Pipe sleeve cylinder 18 is welded on single pipe, and the aperture that the second steel plate 17 is opened is less than the outer diameter of column pipe sleeve 18, therefore suspends pipe sleeve in midair
Cylinder 18 can be stuck on the second steel plate 17, can block whole root canal without welding between the two.Furnace roof superheater tube after described
Screen 1 includes rear furnace roof superheater fin 12 and rear furnace roof superheater pipe 13；5 hole of wall-through hole on furnace roof superheater tube screen 1 afterwards
Diameter is less than 17 size of the second steel plate, without welding, i.e., single pipe and suspention between rear furnace roof superheater tube screen 1 and the second steel plate 17
Pipe sleeve cylinder 18 welds together, and is stuck on rear furnace roof superheater tube screen 1 by the second steel plate 17.
3, sub-assembly is turned over and is lifted
Amount to seven components after the completion of rear furnace roof superheater combination in the present embodiment, each component weighs about 19t, uses
50t crawler crane 20 and the horizontal tower crane 21 of 50t lift turn, directly in place with the horizontal tower crane 21 of 50t after the completion of turning over.When turn,
Vertical low mistake 4 and the vertical low 12# I-steel 22 of 2 tube panels again are connected, stretch four below 20 gib head of 50t crawler craneOn wirerope to #12 I-steel, the horizontal tower crane 21 of 50t stretches sixWirerope is in rear furnace roof superheater tube
On screen 1, by wearing the connection of fin lifting lug between wirerope and rear furnace roof superheater tube screen 1, lifting lug 19 selects t20mm thickness Q235 steel
Plate production.Turn schematic diagram is as shown in Figure 10, and 19 position of lifting lug is as shown in figure 11 on rear furnace roof superheater tube screen 1, lifting lug
19 detail drawings are as shown in Figures 12 and 13.
It turns over to vertical state, the entire main stress of sub-assembly is then each hung on 6 strand steel wire ropes that 50t level is hung
Ear 19 stress about 3.7t, after considering angle, each lifting lug thickness 20mm is 30mm by length of shear plane, then lifting lug shear stressIt meets the requirements.
4, sub-assembly lifting is in place
It after the completion of sub-assembly turns over, is directly lifted in place with the horizontal tower crane 21 of 50T, is thrown after in place with 6 5t chain blocks
Hang on stove roof plate secondary beam, after the completion of adjustment with furnace roof super-heater exit case 9 and rear packet wall butt welding.
Specific application example of the invention:
The present embodiment 2 × 350MW unit boiler is that boiler (group) limited liability company in Shanghai produces supercritical parameter change
Pressure operation Once-through Boiler, single burner hearth, single reheat, balanced draft, outdoor arrangement, dry ash extraction, all steel framework, full overhung construction Π
Type boiler.Boiler overheating steam flow 1172t/h, superheated steam outlet pressure 25.4MPa, 571 DEG C of superheated steam outlet temperature；
Reheated steam flow 962t/h, reheated steam inlet and outlet pressure 5.4/5.22MPa, 343/569 DEG C of reheated steam out temperature；
Design thermal efficiency 93.9%.
Boiler overheating system is divided into preceding furnace roof superheater, rear furnace roof superheater, enclosure wall superheater, low temperature superheater, screen formula
Superheater, finishing superheater, rear furnace roof superheater are arranged at the top of Hou Yanjing flue gas area, and numerous tube panels and pipe are interspersed in rear furnace
It pushes up on superheater tube screen, structure arrangement is complicated, and constructional difficulties are larger, furnace roof superheater group after installing using the method for the invention
Part, difficulty of construction reduce, and the duration shortens, and the safety is improved, and cost substantially reduces.Implement using the method for the invention, separate unit
Unit saves the duration 21 days, and two units amount to nearly 440,000 yuan of save the cost.
By 2 × 350MW unit engineering it was verified that this method furnace roof superheater tube screen 1 and vertical low after boiler
Cross 2, it is vertical it is low be feasible, and simple process, at low cost, short time limit, peace again 4, in the sub-assemblies construction and installation such as column pipe
Quan Xinggao.Conventional method, which is followed the prescribed order, constructs truly feasible, but most of project amount is completed in high-altitude, and danger coefficient is high, this
Invention fully considers engineering practice, optimizes process, has ensured the personal safety of construction personnel conscientiously.
Cigarette well equipment arrangement and the 350MW unit boiler cloth in the present embodiment after current country 1000MW rank unit boiler
It is essentially identical to set structure, therefore this method can be applicable in completely, if this method be applied to 1000MW rank unit, saving at
This and duration will be considerable.
The series of detailed descriptions listed above are illustrated only for possible embodiments of the invention,
The protection scope that they are not intended to limit the invention, it is all without departing from equivalent embodiment made by technical spirit of the present invention or change
It should all be included in the protection scope of the present invention.
Claims (6)
1. furnace roof superheater assembly hanging method after a kind of boiler, which comprises the following steps:
Ground assembling: rear furnace roof superheater tube screen (1) is vertical on the ground, it will vertical low (2) again, upper section mid-board with crawler crane
Superheater (3), vertical low mistake (4) and column pipe are threaded onto the wall-through hole (5) of rear furnace roof superheater tube screen (1)；It is described vertical
The wall-through hole (5) that low (2) again and one end of vertical low mistake (4) pass through rear furnace roof superheater tube screen (1) passes through the first steel pipe afterwards
(10) it is stuck in the top of rear furnace roof superheater tube screen (1)；One end of the column pipe and upper section partition wall superheater (3) passes through rear furnace
The wall-through hole (5) on top superheater tube screen (1) is stuck in the top of rear furnace roof superheater tube screen (1) with the second steel plate (17) aperture afterwards
Portion；The other end of vertical low (2) again, upper section mid-board superheater (3), vertical low mistake (4) and column pipe is with bracket (14)
Support；
Sub-assembly turns over and lifting: the crawler crane (20) of the component after being completed and horizontal tower crane (21) being lifted and turned over to straight
Vertical state；
Sub-assembly lifting is in place: after the completion of sub-assembly turns over, being lifted in place with horizontal tower crane (21), is thrown after in place with chain block
It hangs on stove roof plate secondary beam, by the component after being completed and furnace roof super-heater exit case and rear packet wall counterpart after the completion of adjustment
Welding.
2. furnace roof superheater assembly hanging method after boiler according to claim 1, which is characterized in that the column pipe packet
Include low column pipe again (6), Coal Saver Hanged Pipe (7) and low mistake import header column pipe (8).
3. furnace roof superheater assembly hanging method after boiler according to claim 2, which is characterized in that furnace roof mistake after described
Vertical low (2) again that install on hot device tube panel (1), upper section mid-board superheater (3), vertical low mistake (4) and column pipe are from forward direction
Afterwards successively are as follows: vertical low (2) again, low column pipe again (6), vertical low (2) again, low column pipe again (6), upper section mid-board superheater
(3), vertical low mistake (4), Coal Saver Hanged Pipe (7), vertical low mistake (4), low import header column pipe (8) excessively and economizer suspention
It manages (7).
4. furnace roof superheater assembly hanging method after boiler according to claim 1, which is characterized in that the bracket (14)
Upper and lower ends pass through I-steel (22) connection；
It is connect by wirerope with I-steel (22) below the gib head of the crawler crane (20).
5. furnace roof superheater assembly hanging method after boiler according to claim 4, which is characterized in that the horizontal tower crane
(21) it is connected on rear furnace roof superheater tube screen (1) by wirerope.
6. furnace roof superheater assembly hanging method after boiler according to claim 5, which is characterized in that the wirerope with
Furnace roof superheater tube screen (1) is connected by lifting lug (19) afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255527.3A CN109335962B (en) | 2018-10-26 | 2018-10-26 | Method for hoisting superheater component on rear furnace top of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255527.3A CN109335962B (en) | 2018-10-26 | 2018-10-26 | Method for hoisting superheater component on rear furnace top of boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109335962A true CN109335962A (en) | 2019-02-15 |
| CN109335962B CN109335962B (en) | 2019-12-17 |
Family
ID=65312513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811255527.3A Active CN109335962B (en) | 2018-10-26 | 2018-10-26 | Method for hoisting superheater component on rear furnace top of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109335962B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0040576A1 (en) * | 1980-05-20 | 1981-11-25 | VALLOUREC Société Anonyme dite. | Method and handling apparatus for long products, especially tubes |
| JPH11171468A (en) * | 1997-12-15 | 1999-06-29 | Ishikawajima Harima Heavy Ind Co Ltd | Loop pipe panel hanging gear |
| CN102022718A (en) * | 2010-09-21 | 2011-04-20 | 中国石油化工股份有限公司 | Exchanging method of exhaust-heat boiler low temperature economizer |
| CN201825635U (en) * | 2010-10-21 | 2011-05-11 | 四川电力建设三公司 | Hoisting structure of power station boiler |
| CN201842567U (en) * | 2010-04-22 | 2011-05-25 | 东方日立锅炉有限公司 | Lifting frame for modular tube panel of waste heat boiler |
| CN103350947A (en) * | 2013-07-18 | 2013-10-16 | 中国五冶集团有限公司 | Suspension system and suspension method both special for boiler heating surface pipe rack |
-
2018
- 2018-10-26 CN CN201811255527.3A patent/CN109335962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0040576A1 (en) * | 1980-05-20 | 1981-11-25 | VALLOUREC Société Anonyme dite. | Method and handling apparatus for long products, especially tubes |
| JPH11171468A (en) * | 1997-12-15 | 1999-06-29 | Ishikawajima Harima Heavy Ind Co Ltd | Loop pipe panel hanging gear |
| CN201842567U (en) * | 2010-04-22 | 2011-05-25 | 东方日立锅炉有限公司 | Lifting frame for modular tube panel of waste heat boiler |
| CN102022718A (en) * | 2010-09-21 | 2011-04-20 | 中国石油化工股份有限公司 | Exchanging method of exhaust-heat boiler low temperature economizer |
| CN201825635U (en) * | 2010-10-21 | 2011-05-11 | 四川电力建设三公司 | Hoisting structure of power station boiler |
| CN103350947A (en) * | 2013-07-18 | 2013-10-16 | 中国五冶集团有限公司 | Suspension system and suspension method both special for boiler heating surface pipe rack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109335962B (en) | 2019-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205048404U (en) | Combustion engine exhaust -heat boiler | |
| CN106640235A (en) | Subcritical direct air cooling unit cold starting method | |
| CN102901081A (en) | Double-flue double-reheat DC (Direct Current) boiler with overall horizontal arrangement on heating surface in boiler | |
| CN101592334A (en) | Be used to assemble the method for steam generator | |
| CN104344389B (en) | The hanging method of rear cigarette well snake-like tube row | |
| CN106276601A (en) | A kind of technique in place for fired power generating unit π formula boiler furnace arch, furnace nose integral lifting | |
| CN206398683U (en) | Low-heat value gas superhigh-pressure high-temp electricity generation system | |
| CN102788337A (en) | Modular bypass vent waste heat boiler at tail of cement kiln | |
| CN109335962A (en) | Furnace roof superheater assembly hanging method after a kind of boiler | |
| CN104180359B (en) | Large-tonnage subcritical pressure boiler steam generator | |
| CN206600784U (en) | It is available for the gas boiler of low-heat value gas combustion | |
| CN205606524U (en) | Suspension type economizer top cable suspension device | |
| CN106066034A (en) | Heat exchange surface is linked the method for boiler primary structure, boiler and boiler module | |
| CN206094030U (en) | Boiler rear screen over heater | |
| CN206952894U (en) | A kind of high-rating generator cylinder jacket draw-off gear | |
| CN106016233A (en) | Boiler roof with long span and fewer welding spots and hoisting method for boiler roof | |
| CN105953599A (en) | Construction method of condenser | |
| CN204268687U (en) | The big-and-middle-sized gas-fired water heating boiler of a kind of two large part assembly type | |
| CN208870653U (en) | A kind of superelevation air cylinder | |
| CN205643227U (en) | System for carry out verification of real stove to novel high temperature alloy material and part | |
| CN208282394U (en) | Forced-circulation hot water boiler | |
| CN206439798U (en) | Low calorific value coal gas electric generating apparatus | |
| CN207438549U (en) | A kind of combustion engine waste heat boiler | |
| CN206369199U (en) | Low-heat value gas HTHP electricity generation system | |
| CN206600188U (en) | Low-heat value gas electricity generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |