CN106753456B - A kind of method of online passage installation loss smoke collecting device - Google Patents
A kind of method of online passage installation loss smoke collecting device Download PDFInfo
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- CN106753456B CN106753456B CN201710118000.5A CN201710118000A CN106753456B CN 106753456 B CN106753456 B CN 106753456B CN 201710118000 A CN201710118000 A CN 201710118000A CN 106753456 B CN106753456 B CN 106753456B
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- gathering arrester
- dust gathering
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- coal
- installation
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B45/00—Other details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B31/00—Charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/14—Preventing incrustations
Abstract
The object of the present invention is to provide a kind of can to save the set-up time in the case of coke oven does not stop production, the method that fast loss smoke collecting device is installed in construction, the online passage of operation safety, and support column this method step: is fixed in resistance wall；It is assembled on coal charging car track mobile erecting bed vehicle: first section dust gathering arrester being elapsed with first support beam to coal tower side after installing trolley over-assemble first, first section dust gathering arrester is installed after first support beam is placed on two support columns by jack；First support beam and support column are fixedly linked；The front end of first section dust gathering arrester is fixedly linked with coal tower；Interlude dust gathering arrester is moved on to installation site in installation trolley over-assemble pusher again, interlude dust gathering arrester is suspended on coal tower by drag-line；Latter end dust gathering arrester is elapsed with second support beam to installation site after installing trolley over-assemble finally, latter end dust gathering arrester is installed after second support beam is placed on two support columns by jack.
Description
Technical field
The present invention relates to the installation methods of coke oven loss smoke collecting device, especially can be fast in the case where not stopping production
The speed method that safely loss smoke collecting device is installed in online passage.
Background technique
1,200,000 tons/year of certain company coking engineering projects 2011 are put into operation, are gone into operation within 2012.Two 6m coke ovens and surrounding village
Village distance is greater than 1.2km, meets environmental regulation requirement at that time.But it is stepped up recently as national environmental standard and certain company
Consider from enterprise's long term growth, in line with Green Development and the spirit responsible for society, intends installation coke oven loss flue dust collecting processing
Device.
The engineering belongs to environmental protection project, be by 2 × 58 hole 6m push up dress coke oven in normal productive process, fire door, gas collecting tube,
It coalings the ash-laden gas of hole etc. leakage, above situation is solved by a set of coke oven loss flue dust collecting processing unit for adding,
Two flue dust collecting facilities (dust gathering arrester) are set i.e. at the top of two coke ovens, the excessive of flue dust are controlled, in flue dust collecting
Facility top sets exhaust hood, through ventilation, reduces harmful gas concentration in flue dust collecting facility, will be collected by cleaning shaft
Flue dust import dedusting earth station, through the purified discharge fuel gas and dust of deduster, etc. concentration of harmful substance meet " coking chemistry work
Industry pollutant emission standard " requirement.The various operating conditions of thus bring are fully considered simultaneously, are required with meeting safety in production.
But dust enclosure volume is big, weight weight, how which positions, how to install, and is not especially changing coke oven
Original structure and the case where do not stop production, how the purpose of Fast Installation, save the set-up time, reduce the influence to coke oven production,
It is a problem.
Summary of the invention
The object of the present invention is to provide one kind can be saved in the case of coke oven does not stop production the set-up time, quick construction,
The method of the online passage installation loss smoke collecting device of operation safety.
The method of online passage installation loss smoke collecting device of the present invention, the loss smoke collecting device packet
Dust gathering arrester is included, dust gathering arrester is fixed on above the furnace roof coal charging car track of coal tower side；Have outward downwards in the two sides of dust gathering arrester
Inclined oblique roof truss；The both ends of dust gathering arrester, which are supported on, to be fixed on the support column in the end stand resistance wall of coke oven two sides, dust gathering arrester
Centre is connected by drag-line with coal tower；It is assembled it is characterized in that: dust gathering arrester is at least divided into three sections on coal charging car track direction:
Close to coal tower side first section, far from coal tower latter end, remaining be interlude；The dust gathering arrester installation method includes the following steps:
A, support column is installed: fixing two respectively in the resistance wall of coke oven two sides end stand and is located at coal charging car track two sides
Support column；
B, assemble temporary mounting station vehicle: the installation trolley includes the transverse-moving trolley that can be moved on coal charging car track,
The assembly platform being integrally fixed with transverse-moving trolley is removably attachable to the moulding bed on assembly platform top；The moulding bed has more
It is a, it is arranged along coal charging car track direction；Moulding bed is wanting as big as possible perpendicular to the length on coal charging car track direction, but cannot
More than the distance between two support columns；The height of moulding bed is fixed not less than both ends on the support columns, is used to support dust gathering arrester
The height of support beam；
C, first section dust gathering arrester assembles: first support beam being placed between two moulding beds on assembly platform, then group
At being placed on moulding bed after each component lifting of first section dust gathering arrester, then the integrally welded formation first section dust gathering arrester of each component,
First support beam is fixedly linked with first section dust gathering arrester again；By be mounted on installation trolley on multiple jack first section
Dust gathering arrester and first support beam jack up, so that first support beam bottom surface is slightly above support column top end surface；
D, first section dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the first section dust gathering arrester on installation trolley
Coal tower side is elapsed, first support beam is located above two support columns of coal tower；Jack pressure release, by first
Support beam is placed on two support columns；First support beam and support column are fixedly linked；Before first section dust gathering arrester
End is fixedly linked with coal tower；
E, trolley return: the moulding bed installed on trolley of dismantling is installed, installation trolley is elapsed far from coal tower by charging car
Coke oven end stand at, then the moulding bed of disassembly resetted；
F, interlude dust gathering arrester assembles: being placed on moulding bed after each component of composition interlude dust gathering arrester is lifted, then
The integrally welded formation interlude dust gathering arrester of each component；By be mounted on installation trolley on multiple jack interlude collection
Dust hood jacks up, so that interlude dust gathering arrester is slightly above first section dust gathering arrester；
G, cable support is installed: cable support is fixed on coal tower upper end；
H, interlude dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the interlude collection on installation trolley
Dust hood is elapsed to first section dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and centre
Section dust gathering arrester top is connected；Jack decline, so that interlude dust gathering arrester is aligned with first section dust gathering arrester, the process of jack decline
Gradually stress is gradually increased middle drag-line；Welding interlude dust gathering arrester docks place with first section dust gathering arrester；Jack pressure release；
L, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
M, latter end dust gathering arrester assembles: second support beam being placed between two moulding beds on assembly platform, then group
At being placed on moulding bed after each component lifting of latter end dust gathering arrester, then the integrally welded formation latter end dust gathering arrester of each component,
Second support beam is fixedly linked with latter end dust gathering arrester again；By be mounted on installation trolley on multiple jack latter end
Dust gathering arrester and second support beam jack up, so that second support beam bottom surface is slightly above support column top end surface；
N, latter end dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the latter end dust gathering arrester on installation trolley
Interlude dust gathering arrester side is elapsed, second support beam is located remotely from above two support columns of coal tower；Jack pressure release,
Second support beam is placed on two support columns；Second support beam and support column are fixedly linked；Welding and end
Section dust gathering arrester docks place with interlude dust gathering arrester；
O, install trolley return and remove: the moulding bed installed on trolley of dismantling elapses installation trolley far by charging car
At coke oven end stand from coal tower, then the dismounting of installation trolley.
It is further improved as the method to above-mentioned online passage installation loss smoke collecting device, dust gathering arrester is being coaling
It is divided into four sections in vehicle orbital direction, i.e. sequence connected first section, second segment, third section, latter end；The specific mistake of described step F, G, H
Journey is as follows:
F, second segment dust gathering arrester assembles: being placed on moulding bed after each component of composition second segment dust gathering arrester is lifted, then
The integrally welded formation second segment dust gathering arrester of each component；By be mounted on installation trolley on multiple jack second segment collection
Dust hood jacks up, so that second segment dust gathering arrester is slightly above first section dust gathering arrester；
G, cable support is installed: cable support is fixed on coal tower upper end；
H, second segment dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the second segment collection on installation trolley
Dust hood is elapsed to first section dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and second
Section dust gathering arrester top is connected；Jack decline, so that second segment dust gathering arrester is aligned with first section dust gathering arrester, the process of jack decline
Gradually stress is gradually increased middle drag-line；Welding second segment dust gathering arrester docks place with first section dust gathering arrester；Jack pressure release；
I, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
J, third section dust gathering arrester assembles: being placed on moulding bed after each component of composition third section dust gathering arrester is lifted, then
The integrally welded formation third section dust gathering arrester of each component；By be mounted on installation trolley on multiple jack third section collection
Dust hood jacks up, so that third section dust gathering arrester is slightly above second segment dust gathering arrester；
K, third section dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the third section collection on installation trolley
Dust hood is elapsed to second segment dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and
Three sections of dust gathering arrester tops are connected；Jack decline, so that third section dust gathering arrester is aligned with second segment dust gathering arrester, jack decline
Gradually stress is gradually increased drag-line in the process；Welding third section dust gathering arrester docks place with second segment dust gathering arrester；Jack pressure release.
It being further improved as the method to above-mentioned online passage installation loss smoke collecting device, coke oven has two,
The loss smoke collecting device, support column, drag-line are two sets, are symmetrically mounted on coal tower two sides；The loss cigarette of coal tower two sides
Dirt collection device, which synchronizes, to be symmetrically installed；The symmetrical synchronous progress of the drag-line installation of coal tower two sides, and synchronize symmetrical tensioning.
It is further improved as the method to above-mentioned online passage installation loss smoke collecting device, has after step o
Step p: oblique roof truss is fixed on the two sides of dust gathering arrester.
Be further improved as the method to above-mentioned online passage installation loss smoke collecting device, assembly platform it is upper
Surface is concordant with support column top end surface.
Beneficial effects of the present invention:
1, the loss smoke collecting device is novel in design, is skillfully constructed, like having added a lid to coke oven, prevents flue dust
Loss builds bottom and collects flue dust, reaches national requirements for environmental protection.
2, the loss smoke collecting device utilizes original coke oven construction, the extension supporting column in the end stand resistance wall of coke oven two sides
It is used to support dust gathering arrester, dust gathering arrester is installed using drag-line, and be connected with drag-line using coal tower, has saved space, substantially reduced and build
It causes this, has a good application prospect and promotional value.
3, dust gathering arrester sectional making, assembling, solve the lifting problem of big wt pts.
4, the coal charging car track of coke oven, the trolley of setting installation on it are utilized.Installation trolley is both the group for being segmented dust gathering arrester
Assembling platform, and the shipping platform of segmentation dust gathering arrester, and the mounting platform of segmentation dust gathering arrester.It is installed point using Assembling Jack Plane Set
After the dust gathering arrester of section, facilitate passage to installation site, greatly saving construction time, so that being mounted for possibility online, produces
Substantially it does not stop production, remarkable in economical benefits.
5, installation trolley is drawn using charging car, no longer needs to that other power-equipments are arranged for installation trolley, saves construction cost
With.
6, the height of moulding bed is not less than the height of support beam, so that support beam can be placed on installation trolley, with
Installation trolley it is mobile, facilitate the installation of support beam.Certainly, the height of best moulding bed and the height of support beam are identical, this
Sample can play the role of moulding bed before support beam is installed on support column, play branch to the dust gathering arrester on installation trolley
Support effect.
7, the upper surface of assembly platform is concordant with support column top end surface, enables to jack that need to only jack up lesser height
The bottom surface that degree allows for the support beam being located on installation trolley is higher than support column top end surface, reduces workload, contracts
The short activity duration.
8, install trolley on jack after jacking up each section of dust gathering arrester then decline, during decline, drag-line gradually by
Power is gradually increased, it is therefore prevented that drag-line moment is guaranteed operation safety by biggish shock loading suddenly.
9, the loss smoke collecting device of coal tower two sides, which synchronizes, is symmetrically installed, and the drag-line of coal tower two sides installs symmetrical same stepping
Row, and symmetrical tensioning is synchronized, it can prevent coal tower side from being caused the inclination of coal tower by biggish lateral force, destroying, make coal tower only
It bears pressure and is not subject to lateral pull, further ensure operation safety.
10, reinforcement is arranged on coal tower to dock with dust gathering arrester front end, setting reinforces collar tie beam and connects drag-line branch on coal tower
Frame further ensures the safety of coal tower.
Detailed description of the invention
Fig. 1 is coke oven loss flue dust dust gathering arrester support construction schematic diagram；
Fig. 2 is first section dust gathering arrester schematic diagram when assembled；
Schematic diagram when Fig. 3 is the installation of first section dust gathering arrester；
Schematic diagram when Fig. 4 is the installation of second segment dust gathering arrester；
Schematic diagram when Fig. 5 is the installation of latter end dust gathering arrester；
Fig. 6 is the schematic diagram for installing trolley；
Fig. 7 is the schematic diagrames such as installation trolley, support column；
Fig. 8 is schematic diagram of the first section dust gathering arrester in installation trolley when assembled, first support beam, dust gathering arrester etc.；
Fig. 9 is the schematic diagram of jack installation trolley, first support beam, dust gathering arrester etc. when jacking up；
Figure 10 is the plan view of reinforcement Yu coal tower；
Figure 11 is the plan view for reinforcing collar tie beam and coal tower；
Figure 12 is the schematic diagram of loss smoke collecting device after being installed etc.；
Figure 13 is the side view of the dust gathering arrester in Figure 12.
Figure 14 is construction flow chart.
In figure, dust gathering arrester 1, first section 11, second segment 12, third section 13, latter end 14, support beam 2, first support beam
21, second support beam 22 installs trolley 3, and transverse-moving trolley 31, assembly platform 32, moulding bed 33, reinforcement 4, jack 5 adds
Gu collar tie beam 6, cable support 7, drag-line 8, oblique roof truss 15, coal charging car track 16, support column 17, resistance wall 18, coal tower 19, coke oven
20。
Specific embodiment
The following further describes the present invention with reference to the drawings.
1, the contents of a project
Field conditions: existing coke oven two i.e. 1#, 2# coke oven 20 is located at 19 two sides of coal tower.Furnace roof has coal charging car track 16,
Coke oven two sides end stand has resistance wall 18.
Coke oven loss flue dust collecting processing unit is made of the part such as two dust gathering arresters, cleaning shaft, dedusting earth station.
95.36 meters of each dust gathering arrester overall length, 81.36 meters of span.23.78 meters of mounting height, 2.5 meters of support beam deck-molding,
Dust gathering arrester always weighs about 460t.Weight is evenly distributed on 4 support columns, and top has inclined guy cable stretching to prevent sagging change among dust gathering arrester
Shape.Span is big, from great, high to dust gathering arrester girder, cable support, support column, support beam welding requirements, is applying for the engineering
The maximum part of work difficulty.
Engineering construction carries out simultaneously with coking production, belongs to online hot charging construction, and cross-operation is more, and construction space is narrow,
Duration is tight, constructs in coke oven production region in addition, construction period construction personnel is in harmful health of human body environment, construction safety
Environmentally friendly management difficulty is big.
Construction technology process, referring to Figure 14.
2, preparation of construction
The condition having is needed before installation
1) component assembly, lifting region barrier and sundries are cleaned out, and are paved, are padded.Crawler crane travel region roadbed
Compacting, substrate of paving the way.
2) it is sufficiently linked up with owner, coordinates the cross-operation time.It is required that owner's cold stoking time.
3) because construction site place limits, entire structure steel fabrication work selects live processing site by processing factory or in addition
Complete, erecting bed is transported to according to erection sequence one by one by flat car, to scene after carry out assembling splicing, reach lifting requirements.
3, the installation process of dust gathering arrester etc.
Referring to Fig. 1,13, the two sides of dust gathering arrester 1 have the oblique roof truss 15 tilted down outward；Dust gathering arrester is fixed on coal tower side
16 top of furnace roof coal charging car track in portion；Support column 17 is fixed in coke oven two sides end stand resistance wall 18, and the both ends of dust gathering arrester are logical
Cross the support of support beam 2 on the support columns.Dust gathering arrester is divided into four sections on coal charging car track direction and is assembled: close to coal tower side
First section 11, second segment 12, third section 13, far from coal tower latter end 14.Second and third section of dust gathering arrester passes through drag-line and coal tower phase
Even.
The installation process of dust gathering arrester etc. is as follows.
A, support column 17 and reinforcement 4 are installed: fixing two respectively in the resistance wall 18 of coke oven two sides end stand and is located at dress
The support column 17 of coal car track two sides；Referring to Figure 10, the coal tower side opposite with dust gathering arrester front end is provided with reinforcement 4, and
Reinforcing bar is implanted into reinforcement.
B, assemble temporary mounting station vehicle 3: referring to Fig. 6, the installation trolley includes that can move on coal charging car track
Transverse-moving trolley 31, the assembly platform 32 being integrally fixed with transverse-moving trolley, is removably attachable to the moulding bed on assembly platform top
33；The moulding bed have it is multiple, along coal charging car track direction arrange；Referring to Fig. 7, moulding bed is on perpendicular to coal charging car track direction
Length want as big as possible, but the distance between no more than two support columns；The height phase of the height of moulding bed and support beam
Deng；
C, first section dust gathering arrester 11 assembles: referring to fig. 2, Fig. 8, first support beam 21 being placed two on assembly platform
It is placed on moulding bed between moulding bed, then after each component of composition first section dust gathering arrester is lifted, it is then that each component is integrally welded
First section dust gathering arrester is formed, then first support beam is fixedly linked with first section dust gathering arrester；By being mounted on installation trolley
Multiple jack 5 jack up first section dust gathering arrester and first support beam, so that first support beam bottom surface is higher than support column
Top end surface 50mm；
D, first section dust gathering arrester is installed: referring to Fig. 3, Fig. 9, by coke oven coal-charging handlebar erecting bed vehicle and on installation trolley
The passage of first section dust gathering arrester to coal tower side, first support beam 21 is located above two support columns of coal tower；It is very heavy
5 pressure releases are pushed up, first support beam is placed on two support columns；First support beam and support column are fixedly linked；
The front end of first section dust gathering arrester is connected with the reinforcing bar in implantation reinforcement 4；
E, trolley return is installed: in order to prevent moulding bed during return with first branch being already installed on support column
Crossbeam interference is supportted, installation trolley is elapsed the coke oven end stand far from coal tower by charging car by the moulding bed 33 installed on trolley of dismantling
Place, then the moulding bed of disassembly is resetted；
F, second segment dust gathering arrester assembles: being placed on moulding bed, connects after each component of composition second segment dust gathering arrester 12 is lifted
The integrally welded formation second segment dust gathering arrester of each component；By be mounted on installation trolley on multiple jack 5 second
Section dust gathering arrester jacks up, so that second segment dust gathering arrester is slightly above first section dust gathering arrester；
G, cable support is installed: referring to Figure 11, Figure 13, it is arranged in coal top of tower and reinforces collar tie beam 6, cable support 7 is fixed
On reinforcing collar tie beam；
H, second segment dust gathering arrester is installed: referring to fig. 4, by coke oven coal-charging handlebar erecting bed vehicle and on installation trolley
Second segment dust gathering arrester is elapsed to first section dust gathering arrester side；In the case of drag-line 8 does not stress the both ends of drag-line respectively with drag-line
Bracket is connected with second segment dust gathering arrester top；Jack 5 declines, so that second segment dust gathering arrester is aligned with first section dust gathering arrester, it is very heavy
Gradually stress is gradually increased drag-line during the decline of top；Welding second segment dust gathering arrester docks place with first section dust gathering arrester；It is very heavy
Push up pressure release；
I, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
J, third section dust gathering arrester assembles: being placed on moulding bed after each component of composition third section dust gathering arrester is lifted, then
The integrally welded formation third section dust gathering arrester of each component；By be mounted on installation trolley on multiple jack third section collection
Dust hood jacks up, so that third section dust gathering arrester is slightly above second segment dust gathering arrester；
K, third section dust gathering arrester is installed: Fig. 4 is referred to, by coke oven coal-charging handlebar erecting bed vehicle and on installation trolley
Third section dust gathering arrester is elapsed to second segment dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with drag-line
Bracket is connected with third section dust gathering arrester top；Jack decline, so that third section dust gathering arrester is aligned with second segment dust gathering arrester, it is very heavy
Gradually stress is gradually increased drag-line during the decline of top；Welding third section dust gathering arrester docks place with second segment dust gathering arrester；Thousand
Jin top pressure release.
L, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
M, latter end dust gathering arrester assembles: second support beam 22 is placed between two moulding beds on assembly platform, then
It is placed on moulding bed after each component lifting of composition latter end dust gathering arrester, then the integrally welded formation latter end dust of each component
Cover, then second support beam is fixedly linked with latter end dust gathering arrester；Pass through the multiple jack handles being mounted on installation trolley
Latter end dust gathering arrester and second support beam jack up, so that second support beam bottom surface is slightly above support column top end surface；
N, latter end dust gathering arrester is installed: referring to Fig. 5, passing through coke oven coal-charging handlebar erecting bed vehicle and the end on installation trolley
To interlude dust gathering arrester side, second support beam 22 is located remotely from above two support columns of coal tower for section dust gathering arrester passage；
Second support beam is placed on two support columns by jack pressure release；Second support beam and support column stationary phase
Even；It welds and to dock place with latter end dust gathering arrester and interlude dust gathering arrester；
O, install trolley return and remove: the moulding bed installed on trolley of dismantling elapses installation trolley far by charging car
At coke oven end stand from coal tower, then the dismounting of installation trolley.Oblique roof truss 15 is finally sling using crane, is fixed on the two of dust gathering arrester
Side is basically completed installation process, referring to Figure 12, Figure 13.
4, the key point of this technology
4.1 hoisting technology
(1) Hoisting Program principle
1) loop wheel machine is selected not influence coke oven production as far as possible for the first principle.
2) according to the weight of structure and mounting height, it is necessary to comprehensively consider the lifting performance of lifting machine, mainly include
Whether weight, working radius, lifting altitude, the radius of gyration meet lifting requirements.
3) main to consider simultaneously for the walking road of hoisting machine tool and the site environment in lifting site location region
Build up structures, cable duct, support of pipelines, the influence to crane lifting erect-position.
4) lifting machine is selected according to the personnel labour of construction period, investment.
It 5) must be smooth, hard simultaneously for the foundation of the walking road of hoisting machine tool and lifting site location region
Real reliable, operating position should not be arranged on slope and soft soil horizon.
6) it suspension centre: according to the angle of the weight of girder steel, wirerope and girder steel, the new and old of wirerope, radical and uses safe
The parameters such as coefficient select the wirerope of suitable diameter, it is ensured that every wirerope institute's stress is in its allowed band.Consider to hang simultaneously
The lifting altitude of machine and the mounting height of girder steel, selected wirerope are unsuitable too long.
(2) the selected scheme of main loop wheel machine
1) dust gathering arrester assembles Hoisting Program
Dust gathering arrester girder weighs about 110t, and 95.36 meters of overall length, 81.36 meters of span.23.78 meters of mounting height, support beam is high
2.5 rice.Dust gathering arrester is integrally divided into 4 sections of installations, in place using parallel passage method.Respectively in the charging car of 1#, 2# coke oven top platform
Trolley is installed in rail superior portion fabrication and installation.It forms the girder of dust gathering arrester, support beam, wind up, lower edge, support, two sides flank etc.
Component is hung at the top of coke oven on installation trolley by the tower auxiliary operating condition crawler crane of QUY260 after completing and carries out group pair.
1#, 2# coke oven lift site location face among ram track respectively and respectively repair position at fire door, in this way
Ram is not influenced normally to discharge of the coke.It is most 29 tons of dust gathering arrester girder lifting capacity heavy, 28 meters of operating radius.
In conclusion according to crane performance parameter, and this engineering practice is combined, it is 2 that this engineering, which selects main loop wheel machine,
260t crawler crane.Dust gathering arrester girder use segmental hoisting, first to fourth section of dust gathering arrester girder substance be respectively 24t, 29t, 30t,
27t.It lifts host and uses 260 tons of crawler cranes, add tower auxiliary operating condition.Mobile jib is 42 meters long, and 28 meters of the radius of gyration, rated load weight
33 tons, meet lifting requirements.
2) Hoisting Program of support column.
The support column of 2# coke-oven coal tower side 2 is installed first, single support column most weighs about 11t, Standing position of a crane coal tower with support
It is lifted on the outside of among anti-wall, among 2 tracks of ram.Support column lift when radius of gyration 28m, but cleaning shaft with hang
Vehicle large arm conflict, crane large arm need to carry out operation above cleaning shaft, need 76 meters of crane brachium through measuring and calculating.According to crane performance
Parameter, and this engineering practice is combined, it is 500t truck crane that this engineering, which selects loop wheel machine,.Radius of gyration when support column column lifts
28m, 78.6 meters of principal arm length, rated load weight 18.6t is met the requirements.After support column installation is in place, to prevent it by ring around
Border influences that shift in position occurs, and need to do temporary support with 6 meters long I 20a I-steel, remove after dust gathering arrester integral installation is in place.
Secondly the installation support column of 1# coke-oven coal tower side 2, single support column most weigh about 17.5t, Standing position of a crane and operating condition
Can be with 2# coke oven, when installation, need to use 1 machine-team of 500t truck crane.Temporary support is the same as 2# coke oven method.
3) coal tower cable support Hoisting Program.
Cable support middle section is installed first, single hook weighs about 14t, 52 meters of mounting height, when because of installation coke side coal tower with
Suspension arm of crane conflict can not be lifted through measuring and calculating with the direct erect-position of 1 500t truck crane, and when lifting, which stands, need to be located at coal tower and resistance wall
It is coupled among two intermediate outside, ram tracks and with 2 500T cranes, 4 groups of cable support middle section point (4 hook)
Lifting.
Secondly installation cable support two-end part, single hook weigh about 13t, are divided into the lifting of 4 hooks, and installation cable support needs 2 altogether
500T truck crane 3 days.
4) cleaning shaft Hoisting Program is set as needed.
4.2 steel construction processing and fabricatings
95.36 meters of overall length of this engineering single seat dust gathering arrester, 81.36 meters of span.23.78 meters of mounting height, 2.5 meters of deck-molding, collection
Dust hood always weighs about 460t, manufacturing process:
(1) setting-out number is expected, (2) cutting, the requirement of (3) groove, (4) correction, (5) drilling, (6) assembling, (7) welding, (8) steel
Component is pre-splicing, (9) derusting, paint, number.
4.3 coal tower strengthening reconstruction technologies
When first, the 4th section (first section, latter end) installation of dust gathering arrester, the support of bracing members column, bracing members are arranged at dust gathering arrester lower part
Column adds the resistance wall top in coke oven.Increase built-in fitting weldering at ▽ 26.780m platform in the middle part of first section dust gathering arrester truss and coal tower newly
It connects in succession.Second and third section of dust gathering arrester lower part of the loss smoke collecting device is supported without support column, is suspended in midair and is supported using drag-line, is needed
Zipper bracket is added after original coal top of tower strengthening reconstruction, carries out the fixation of drag-line.
(1) the ▽ 26.780m platform reinforcement means in the middle part of coal tower
Referring to Figure 10, consolidation process is carried out to the coal tower landing beam of pusher side and coke side direction using the method for bar planting.Figure 10
Middle dotted line indicates that coal tower original structure, solid line indicate reinforcement 4.
(2) coal top of tower reinforcement technique method
Strengthening reconstruction carried out using bar planting method to the beam of original coal top of tower ▽ 52.000m surrounding, and by machine coke two sides
Inclined roof is changed to flat-top, fixes convenient for the installation of cable support.Dotted line indicates that coal tower original structure, solid line indicate fixing collar in Figure 11
Beam 6.
(3) concrete beam strengthening construction technology
Construction technology: snap the line positioning → drilling → hole flushing → injecting glue → bar planting → curing conservation → pullout tests (sampling observation)
→ tie up muscle pouring concrete.
(4) coal top of tower cable support is installed
Single cable rack beams weigh about 10t, and 52 meters of mounting height, coal tower conflicts with truck crane boom when because of installation coke side,
Erect-position is coupled among coal tower and 2 resistance wall centre outside, ram tracks and with 2 500t truck cranes when lifting.
4.4 design and fabrications install trolley
The installation that dust gathering arrester is carried out using passage method, reduces the construction time under production conditions, brings economy for owner
Benefit devises temporary mounting station vehicle thus, sees Fig. 6, Fig. 7.
The installation trolley is made of transverse-moving trolley, assembly platform, moulding bed, is assembled in coke oven end stand, built-up time
It one day, is lifted with main loop wheel machine 260t crawler crane.The installation trolley utilizes charging car using the coal charging car track on former coke oven top
It carries out being drawn to installation site.The height and width of assembly platform above pass through sum aggregate not influence trolley on furnace roof
Longest section after dust hood segmentation can smoothly be assembled into principle on platform and be designed, and the design of moulding bed and support beam size
Consistent, after facilitating passage in place, fast accurate is really in place, convenient for saving the set-up time on line.
The assembling of 4.5 dust gathering arresters
When trolley is installed in assembling, dust gathering arrester member segments is arranged to march into the arena, is placed in scheduled surface dump on the ground, to
After Assembling Jack Plane Set fills, the lifting of girder is carried out first, is lifted using 260t crawler crane.
Integrated cover girder is divided into four sections.
(1) assembly of dust gathering arrester girder
Dust gathering arrester girder does frame by 4 H profile steels, and support and stay bolt are done with angle steel in centre, wind up, lower edge, oblique roof truss it is equal
Longer using steel section size for angle steel welding, single fashioned iron is unable to satisfy size requirement, need to carry out fashioned iron splicing.
Dust gathering arrester girder mainly takes on-site consolidation.50t and 25t truck crane, the gantry 10t are selected in dust gathering arrester girder assembly
It hangs, and is strictly carried out by drawing size.Consider transport routes and haulage vehicle, every section of dust gathering arrester girder respectively long 23m, 23m,
27m, 22m, every meter of dust gathering arrester girder nearly weigh 1.05 tons.Every section nearly weighs 24t, 29t, 30t, 27t respectively, and totally 4 sections.Every section of dust gathering arrester
Girder point 2 sections of transports again, on-site consolidation group pair.
To consider that group determines group to direction in direction according to loop wheel machine rotational case when dust gathering arrester girder assembly.
Dust gathering arrester girder uses segmental hoisting, first to fourth section of dust gathering arrester girder substance is respectively 24t, 29t, 30t, 27t.
It lifts host and uses 260 tons of crawler cranes, add tower auxiliary operating condition,.Mobile jib is 42 meters long, and 28 meters of the radius of gyration, rated load weight 33
Ton, meets lifting requirements.
Crawler crane is marched into the arena after assembling, and dust gathering arrester girder starts segmentation and marches into the arena, with the shortest time by dust gathering arrester girder group
To completion, special messenger checks tie point welding quality, reinforcement measure etc..It has fastened wire line hitch and both ends slips rope, slipped rope using φ
20mm coir rope 4, every 100 meters.
It first carries out examination before lifting to hang, stopping when slowly rising 200mm high from the ground by special messenger commander, observation lifting lockset,
Suspension centre, deformation of member degree weld situation, and whether loop wheel machine performance etc. meets safe condition.After confirming that there is no problem, loop wheel machine raising
1 meter, then 0.5 meter is fallen, it is repeated 2 times, after confirmation is errorless, loop wheel machine, which slowly rises, rises to hoisting height, then slowly counterclockwise
It rotates to installing above trolley, two sides slip rope it is noted that observing the angle of dust gathering arrester girder at this time, control its steady, forward direction.Rotation
After going to position, slowly back hook, dust gathering arrester girder being placed on steadily is installed on trolley.It to arrange special messenger to check after the completion, close
It can decoupling device after lattice.
Dust gathering arrester main cable and girder uses 4, φ 26mm wirerope, 18 meters of single rope length, 4 suspension centres.It fully considers and is lifting
The structural strength and stability of operating condition next part dust hood girder itself.Consider the reinforcement measure of suspension centre.10 tons of high-strength snap rings 4.
First segment assembles points for attention:
First the center line of two crossbeams is marked on installation trolley, by 260t crawler crane by 2 sections of dust gathering arrester girders
And the support beam of support portal frame is hung to the installation trolley of the completion of fabrication and installation and puts on right position, support beam is placed on dust
The fastening of cover girder lower part blending bolt.
(2) truss assembling
When the main couple assembly of dust gathering arrester girder two sides, drawing requirement has spring quantum, and springing height size is by drawing
Control.Lateral rigidity difference when to prevent dust gathering arrester girder main couple from turning over vertical and lifting and generate bending deformation, while in view of spelling
Place limitation is filled, segmented assembly method is taken, to take reinforcement measure in transportational process, preventing moderate finite deformation influences assembled matter
Amount.
By lower edge, wind up, the liftings such as bearing diagonal to installation trolley and with 2 dust gathering arrester girder weldings.
Assembled program is: the unit that will splice is placed on platform for lining, and → levelling → draw leads to line → welding positioning → review
Size → welding.
Component is checked before assembling, when the deformation of member, defect exceed tolerance, must be handled.It is answered when assembled
Arch camber is carried out by design drawing requirement.
(3) top closing plate is welded after dust gathering arrester is assembled, and cleaning shaft is installed.
4.6 dust gathering arresters quickly elapse technology
(1) general arrangement:
1) first segment dust gathering arrester group is to after the completion integrally being jacked up dust gathering arrester and support beam with 4 100t hydraulic jacks
More than support beam designed elevation 50mm.Then trolley will be installed be pulled to the slow pressure release of jack after dust gathering arrester installation site, it will
Support beam is placed on upper part of the supporting column, after Pass line adjustment is good, support beam and support column firm welding, and dust gathering arrester and coal tower
Place embedded board firm welding after the complete release of jack, remove.First segment dust gathering arrester installs.
2) installation trolley is pulled to furnace end stand, starts second segment assembling.Second segment assembling sequence is the same as first segment dust gathering arrester phase
Same but second segment is without support beam.
3) after second segment dust gathering arrester is completed, dust gathering arrester is integrally jacked up into 50mm with 4 100t hydraulic jacks.It will peace
Dress trolley is pulled to second segment dust gathering arrester and first segment dust gathering arrester junction firm welding behind dust gathering arrester designated mounting position.Drag-line
Producer starts to install first group of 4 drag-line.Tensioning immediately after drag-line installation, tensioning require that dust gathering arrester girder to be made to reach requirement mark
Height, the complete release of jack are removed.Second segment dust gathering arrester installs.
4) assembling of third section dust gathering arrester, installation are completely identical as second segment dust gathering arrester.
5) after third section dust gathering arrester is installed, start that other two support columns far from coal tower are installed, 260t is carried out at this time
Band, which is hung, to be mounted directly.
6) the 4th section of dust gathering arrester assembling, installation are completely identical as first segment dust gathering arrester.
2 coke oven erection sequences are identical.
(2) first segment dust gathering arrester is installed:
1) before the installation of first segment dust gathering arrester, support column must be installed, and support beam above wouldn't be installed, so
It will not influence subsequent passage work.And support beam above is hung to the installation of the completion of fabrication and installation with 260t crawler crane
Trolley is simultaneously placed on the fastening of dust gathering arrester girder lower part blending bolt, and plays the role of installing a moulding bed on trolley.
2) first segment dust gathering arrester group, in order to save the set-up time in place, will be collected to after the completion with 4 100t hydraulic jacks
It is more than support beam designed elevation 50mm that dust hood and support beam, which integrally jack up,.Then collection is pulled to by trolley is installed with firing machine machine
Support beam is placed on upper part of the supporting column by the slow pressure release of jack after dust hood installation site, after Pass line adjustment is good, support beam
With support column firm welding, dust gathering arrester and the complete release of jack after embedded board firm welding at coal tower are removed.First segment dust
Cover installs.
(2) second segment, the installation of third section
1) installation trolley is pulled to coke oven end stand, starts second segment assembling.Second segment assembling sequence is the same as first segment dust gathering arrester
Identical but second segment is without support beam.
2) after second segment dust gathering arrester is completed, dust gathering arrester is integrally jacked up into 50mm with 4 100t hydraulic jacks.With adding
Coal car will be installed after trolley is pulled to dust gathering arrester designated mounting position and carry out second segment dust gathering arrester and first segment dust gathering arrester junction
Group pair, whole weld seam firm welding backstay producers start to install first group of 4 drag-line.Tensioning immediately after drag-line installation, tensioning
It is required that dust gathering arrester girder to be made to reach requirement absolute altitude, the complete release of jack is removed.Second segment dust gathering arrester installs.
(3) assembling of third section dust gathering arrester, installation are completely identical as second segment dust gathering arrester.
(4) the 4th sections of dust gathering arrester installations
1) after third section dust gathering arrester is installed, start installation support support column, 260t crawler crane can be mounted directly at this time.
2) the 4th section of dust gathering arrester assembling, installation are essentially identical with first segment dust gathering arrester.
(5) tiltedly roof truss installation
Dust gathering arrester assembling opportunity side section has chimney to influence dust gathering arrester integral slipping, therefore tiltedly roof truss is first without whole peace
Dress, installs oblique roof truss again after dust gathering arrester is installed.
5, the main feature (or feature) of this technology
(1) remaking coal-towers technology
Since second and third section of dust gathering arrester lower part of the engineering is supported without support column, is suspended in midair and supported using drag-line.It need to be in original coal
Consolidation process is carried out in the middle part of tower, is added bracket after original coal top of tower strengthening reconstruction, is carried out the fixation of drag-line.In the middle part of coal tower
▽ 26.780m platform consolidation process is carried out to the landing beam of pusher side and coke side direction using the method for bar planting.In original coal tower
Top surrounding carries out strengthening reconstruction, adds the bracket of stay guy, which bears the loss cigarette of 1#, 2# coke oven at both ends
The pulling force of dirt collection device, such strengthening reconstruction may make full use of original structure, save construction cost.
(2) design and make the installation trolley of dust gathering arrester assembling and passage
The method installed to installation site is elapsed using in the assembling of coke oven end stand, using dedicated installation trolley, it is effective to solve
The problems such as working space is limited, the duration is tight when certainly constructing in production, achievees the purpose that Fast Installation.Trolley is installed and uses furnace roof
Coal charging car track is drawn using charging car.
(3) using quickly passage technology, fast accurate installs dust gathering arrester
For dust gathering arrester group to after the completion, integrally being jacked up dust gathering arrester and support beam with 4 100t hydraulic jacks is more than branch
Support crossbeam designed elevation 50mm.Then the slow pressure release of jack after installation trolley being drawn to dust gathering arrester installation site, will support
Crossbeam is placed on upper part of the supporting column, saves the set-up time.
(4) technology of being symmetrically installed is synchronized using drag-line
Reinforcing collar tie beam that coal tower napex is added at the same bear both ends 1#, 2# coke oven loss smoke collecting device drawing
Power prevents one end stress from pullling coal tower and causes the inclination of coal tower, destroys to guarantee collar tie beam stress balance.It is installed to suspension cable
Afterwards again by hydraulic jack pressure release, while installation makes coal tower be solely subjected to pressure and be not subject to lateral pull, when installing hoist cable,
The hoist cable installation of 1#, 2# coke oven loss smoke collecting device will symmetrically synchronize progress, synchronize symmetrical tensioning.
6, the effect that this technology actually reaches and the function and significance to Promote Technology
New Type Coke Oven loss smoke collecting device hot line Fast Installation technology has broken routine, the assembled cigarette on passage platform
Dirt collecting hood, operation side is small, little impact on production, fast using passage method construction efficiency height, installation speed；Secondly 4 are used
A hydraulic jin top adjustment, regulates the speed fast, installation period is short, which is at the leading level.
This technology makes full use of the characteristics of coke oven original structure frame frame, using reasonable construction method and dedicated measure, adopts
Passage method installs dust gathering arrester method, even more saves great amount of cost for manufacturing enterprise, on production without influence, is successfully realized side
Produce side construction, it is ensured that construction quality, safety and environmental protection greatly shorten the construction period, while also saving and applying for construction enterprises
Workshop, it is a kind of quick, economic method.The success of the technology will have vast market prospect, apply to same type engineering
Tool has important directive significance and reference value.
Claims (5)
1. a kind of method of online passage installation loss smoke collecting device, the loss smoke collecting device includes dust gathering arrester,
Dust gathering arrester is fixed on above the furnace roof coal charging car track of coal tower side；There is the oblique room tilted down outward in the two sides of dust gathering arrester
Frame；The both ends of dust gathering arrester, which are supported on, to be fixed on the support column in the end stand resistance wall of coke oven two sides, and the centre of dust gathering arrester passes through drawing
Rope is connected with coal tower；It is assembled it is characterized in that: dust gathering arrester is at least divided into three sections on coal charging car track direction: close to coal tower side
First section, far from coal tower latter end, remaining be interlude；The dust gathering arrester installation method includes the following steps:
A, support column is installed: fixing two supports for being located at coal charging car track two sides respectively in the resistance wall of coke oven two sides end stand
Column；
B, assemble temporary mounting station vehicle: the installation trolley includes the transverse-moving trolley that can be moved on coal charging car track, with cross
The assembly platform that moving stage vehicle is integrally fixed is removably attachable to the moulding bed on assembly platform top；The moulding bed has multiple, edge
Charging car orbital direction arrangement；Moulding bed is wanting as big as possible perpendicular to the length on coal charging car track direction, but no more than
The distance between two support columns；The height of moulding bed is fixed not less than both ends on the support columns, is used to support the support of dust gathering arrester
Horizontal depth of beam；
C, first section dust gathering arrester assembles: first support beam being placed between two moulding beds on assembly platform, then composition is first
It is placed on moulding bed after each component lifting of section dust gathering arrester, then the integrally welded formation first section dust gathering arrester of each component, then
First support beam is fixedly linked with first section dust gathering arrester；By be mounted on installation trolley on multiple jack first section dust
Cover and first support beam jack up, so that first support beam bottom surface is slightly above support column top end surface；
D, first section dust gathering arrester is installed: being elapsed by coke oven coal-charging handlebar erecting bed vehicle and the first section dust gathering arrester on installation trolley
To coal tower side, first support beam is located above two support columns of coal tower；Jack pressure release supports first
Crossbeam is placed on two support columns；First support beam and support column are fixedly linked；The front end of first section dust gathering arrester with
Coal tower is fixedly linked；
E, trolley return: the moulding bed installed on trolley of dismantling is installed, installation trolley is elapsed by charging car by the coke far from coal tower
At furnace end stand, then the moulding bed reset of disassembly；
F, interlude dust gathering arrester assembles: being placed on moulding bed after each component of composition interlude dust gathering arrester is lifted, then each
Components welding is integrally formed interlude dust gathering arrester；By be mounted on installation trolley on multiple jack interlude dust gathering arrester
It jacks up, so that interlude dust gathering arrester is slightly above first section dust gathering arrester；
G, cable support is installed: cable support is fixed on coal tower upper end；
H, interlude dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the interlude dust gathering arrester on installation trolley
Elapse first section dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and interlude collection
Dust hood top is connected；Jack decline, so that interlude dust gathering arrester is aligned with first section dust gathering arrester, jack is drawn during declining
Gradually stress is gradually increased rope；Welding interlude dust gathering arrester docks place with first section dust gathering arrester；Jack pressure release；
L, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
M, latter end dust gathering arrester assembles: second support beam being placed between two moulding beds on assembly platform, then composition end
It is placed on moulding bed after each component lifting of section dust gathering arrester, then the integrally welded formation latter end dust gathering arrester of each component, then
Second support beam is fixedly linked with latter end dust gathering arrester；By be mounted on installation trolley on multiple jack latter end dust
Cover and second support beam jack up, so that second support beam bottom surface is slightly above support column top end surface；
N, latter end dust gathering arrester is installed: being elapsed by coke oven coal-charging handlebar erecting bed vehicle and the latter end dust gathering arrester on installation trolley
To interlude dust gathering arrester side, second support beam is located remotely from above two support columns of coal tower；Jack pressure release, by
Two support beams are placed on two support columns；Second support beam and support column are fixedly linked；Welding and latter end collection
Dust hood docks place with interlude dust gathering arrester；
O, install trolley return and remove: the moulding bed installed on trolley of dismantling is elapsed installation trolley far from coal by charging car
At the coke oven end stand of tower, then the dismounting of installation trolley.
2. the method for online passage installation loss smoke collecting device as described in claim 1, it is characterized in that: dust gathering arrester is filling
It is divided into four sections in coal car orbital direction, i.e. sequence connected first section, second segment, third section, latter end；Described step F, G, H's is specific
Process is as follows:
F, second segment dust gathering arrester assembles: being placed on moulding bed after each component of composition second segment dust gathering arrester is lifted, then each
Components welding is integrally formed second segment dust gathering arrester；By be mounted on installation trolley on multiple jack second segment dust gathering arrester
It jacks up, so that second segment dust gathering arrester is slightly above first section dust gathering arrester；
G, cable support is installed: cable support is fixed on coal tower upper end；
H, second segment dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the second segment dust gathering arrester on installation trolley
Elapse first section dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and second segment collection
Dust hood top is connected；Jack decline, so that second segment dust gathering arrester is aligned with first section dust gathering arrester, jack is drawn during declining
Gradually stress is gradually increased rope；Welding second segment dust gathering arrester docks place with first section dust gathering arrester；Jack pressure release；
I, trolley return is installed: installation trolley being elapsed at the coke oven end stand far from coal tower by charging car；
J, third section dust gathering arrester assembles: being placed on moulding bed after each component of composition third section dust gathering arrester is lifted, then each
Components welding is integrally formed third section dust gathering arrester；By be mounted on installation trolley on multiple jack third section dust gathering arrester
It jacks up, so that third section dust gathering arrester is slightly above second segment dust gathering arrester；
K, third section dust gathering arrester is installed: passing through coke oven coal-charging handlebar erecting bed vehicle and the third section dust gathering arrester on installation trolley
Elapse second segment dust gathering arrester side；In the case of drag-line does not stress the both ends of drag-line respectively with cable support and third section
Dust gathering arrester top is connected；Jack decline, so that third section dust gathering arrester is aligned with second segment dust gathering arrester, the process of jack decline
Gradually stress is gradually increased middle drag-line；Welding third section dust gathering arrester docks place with second segment dust gathering arrester；Jack pressure release.
3. the method for online passage installation loss smoke collecting device as described in claim 1, it is characterized in that: coke oven has two
Seat, the loss smoke collecting device, support column, drag-line are two sets, are symmetrically mounted on coal tower two sides；The loss of coal tower two sides
Smoke collecting device, which synchronizes, to be symmetrically installed；The symmetrical synchronous progress of the drag-line installation of coal tower two sides, and synchronize symmetrical tensioning.
4. the method for online passage installation loss smoke collecting device as described in claim 1, it is characterized in that: after step O
There is step P: oblique roof truss being fixed on the two sides of dust gathering arrester.
5. the method for online passage installation loss smoke collecting device as described in claim 1, it is characterized in that: assembly platform
Upper surface is concordant with support column top end surface；The height of moulding bed and the height of support beam are identical.
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| CN104087321B (en) * | 2014-07-04 | 2017-04-12 | 侯思颖 | Self-dedusting device of coke oven coal tower loading truck |
| CN106381160A (en) * | 2016-11-21 | 2017-02-08 | 大连华锐重工焦炉车辆设备有限公司 | Dust collecting device on side of coke oven machinery and application method thereof |
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