CN109097516A - The construction method of blast furnace overhaul engineering replacement last furnace shell - Google Patents
The construction method of blast furnace overhaul engineering replacement last furnace shell Download PDFInfo
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- CN109097516A CN109097516A CN201811149895.XA CN201811149895A CN109097516A CN 109097516 A CN109097516 A CN 109097516A CN 201811149895 A CN201811149895 A CN 201811149895A CN 109097516 A CN109097516 A CN 109097516A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
Abstract
The invention discloses a kind of construction methods of blast furnace overhaul engineering replacement last furnace shell, comprising: new last furnace shell is divided into sectionally assembled structure, and new Blast Furnace Push side sets up promotion support frame and passage trolley outside cast house；Pulling apparatus is set up on furnace roof rigid frame, and removes the upper surface of old furnace shell passage side several layers furnace shell frame platform and passage side cast house metope and roofing, sets up the passage channel of new furnace shell, removes old last furnace shell and its attached needs to change structure；The lower half portion of new last furnace shell is lifted using series installation method；The top half of new last furnace shell is lifted using inverse dress method, and connects top half and the lower half portion of new last furnace shell.The construction method of blast furnace overhaul engineering replacement last furnace shell proposed by the present invention, can reduce the influence to furnace shell frame overall stability and bearing capacity, and overcome the problems, such as that giant caterpillar crane cannot be introduced into operation.
Description
Technical field
The present invention relates to blast furnace maintenance construction method technical fields more particularly to a kind of blast furnace overhaul engineering to replace State of Blast Furnace
The construction method of shell.
Background technique
At present the country steel industry in blast furnace furnace body due to being chronically in hot environment, bosh, cupola well position furnace
Cooling equipment in shell and furnace shell is most susceptible to damage.Therefore every seat height furnace substantially will by light maintenance, in repair and overhaul
Stage.Blast furnace overhaul is typically all that furnace shell frame is motionless, and the cooling equipment and resistance to material in furnace shell and furnace are all replaced, part furnace roof
Equipment replacement.Wherein, the replacement of last furnace shell decides the duration of entire overhauling reform engineering.
Blast furnace ironmaking major project often designs very compact.And blast furnace overhaul improvement project is in the process of implementation,
Other conveyance systems do not stop production, and cause blast furnace overhaul improvement project work surface often very narrow, some blast furnaces are even without big
The operation side of type crawler crane and enough radius of gyration, are unable to complete lifting operation.To shorten the construction period, to adopt habitually in the past
The replacement of furnace shell is carried out with monolithic push method, that is, the temporary base of new blast furnace is poured before stopping production beside old blast furnace, above
New blast furnace is installed, after old furnace shell, cooling equipment and resistance to material have been removed in overhaul blowing out, extremely along track integral slipping by new furnace
In furnace shell frame, the replacement of blast furnace is completed.
But this construction method needs all remove the blast-furnace shaft frame for elapsing platform side from top to bottom, need
Tuyere platform is removed, the cast house platform almost all for needing to install side is removed, and reinforcing, the workload removed and restored are non-
Often.Overall stability and bearing capacity to shaft can all affect, and bring security risk for production later.Entirety pushes away
Shifting construction technology is extremely complex, and construction safety hidden danger is more.And newly blast furnace set-up time on temporary base is long, occupies working face
Time is very long, and normal production brings influence before stopping production on overhaul.Moreover, being not to have installation interim new beside every seat height furnace
Blast furnace plane and condition.
Summary of the invention
The main purpose of the present invention is to provide a kind of construction methods of blast furnace overhaul engineering replacement last furnace shell, it is intended to subtract
Few influence to furnace shell frame overall stability and bearing capacity, and giant caterpillar crane is overcome to cannot be introduced into asking for operation
Topic.
To achieve the above object, the present invention provides a kind of construction method of blast furnace overhaul engineering replacement last furnace shell, including
Following steps:
New last furnace shell is divided into sectionally assembled structure and carries out over-the-counter assembly, and new Blast Furnace Push side is set up outside cast house
Set hydraulic pressure lift support frame, and be installed on promoted support frame on can move up and down relative to it for placing segmented furnace shell
Elapse trolley；
It the upper surface of sets up on furnace roof rigid frame for promoting the lifting device of segmented furnace shell, and removes old furnace shell passage side and is several
Layer furnace shell frame platform and passage side cast house metope and roofing, set up the passage channel of new furnace shell to realize that horizontal transport pushes away
Trolley is moved, old last furnace shell is removed and its attached needs to change structure；
By the lower half portion of new last furnace shell successively transported in furnace shell frame by passage trolley segmentation and using series installation method into
Row lifting, i.e., lift bottom furnace shell at first, finally lifts the top furnace shell；
By the top half of new last furnace shell successively transported in furnace shell frame by passage trolley segmentation and using inverse dress method into
Row lifting, i.e., lift the top furnace shell at first, finally lifts bottom furnace shell, and connects the top half of new last furnace shell under
Half part.
Preferably, the lower half portion by new last furnace shell is successively transported in furnace shell frame by passage trolley segmentation
And the step of being lifted using series installation method, is specifically included:
After a section furnace shell last in top-down direction is placed on passage trolley, it is promoted to and elapses by promoting support frame
After channel is concordant, through passage channel by its horizontal transport to furnace shell frame, pulling apparatus slings last section of furnace shell, removes
Fall to elapse trolley, be installed after last section of furnace shell is dropped to blast furnace foundation by pulling apparatus；
Second from the bottom section of furnace shell is transported by elapsing trolley to furnace shell frame, by pulling apparatus by second from the bottom section of furnace shell
It is placed in above last section of furnace shell, and connects second from the bottom section of furnace shell and last section of furnace shell；
Method is sequentially completed the lower half portion installation of new last furnace shell according to this.
Preferably, the top half by new last furnace shell is successively transported in furnace shell frame by passage trolley segmentation
And the step of being lifted using inverse dress method, is specifically included:
Will in top-down direction along number first segment furnace shells by passage trolley transport to furnace shell frame, by pulling apparatus by its
Reserved space is promoted so that next section of furnace shell enters in furnace shell frame；
Passage trolley, which returns to, to be promoted in support frame and will be transported along number second segment furnace shell to furnace shell frame, and pulling apparatus will be along number the
Primary reformer shell is placed in along number second segment furnace shell top, after connecting along number second segment furnace shell, is lifted after along number first segment furnace shell
Device lifts its entirety upwards；
Method completes the top half installation of new last furnace shell according to this, after top half furnace shell all connects, by top half
Welding is grouped in furnace shell entire lowering and lower half portion furnace shell.
Preferably, the passage one end of the channel of new furnace shell is connect with support frame is promoted, and the passage channel other end of new furnace shell prolongs
It extends to inside furnace shell frame and is connect with its frame, new furnace shell is collectively formed vertically and horizontally in passage channel and promotion support frame
Transport channel.
Preferably, described to promote the promotion combination beam and the difference connecting with promotion combination beam that support frame includes belt track
Positive hydraulic pressure lift frame and reversed hydraulic pressure lift frame for driving it to move up and down, passage trolley are promoting combination beam
It is slided on track.
Preferably, the pulling apparatus includes the multiple groups steel strand cable set up on furnace roof batch can platform along blast furnace central symmetry
Jack and the lifting jig below steel strand cable jack, lifting jig lift jig for clamping segmented furnace shell
Upper end connect with the steel strand cable of steel strand cable jack.
Preferably, add in top-down direction along the lifting being welded with above number first segment furnace shell for being connect with lifting jig
Gu Quan.
Preferably, the passage trolley for being mounted with segmented furnace shell is transported to promotion support frame by module transportation vehicle
Portion will elapse trolley dropping place on the track for promoting support frame by the hydraulic device on module transportation vehicle.
Preferably, passage trolley passes through hoist engine or self-crawling type jack driving passage trolley and furnace when elapsing channel
Shell is transplanted in furnace shell frame together.
The construction method of blast furnace overhaul engineering replacement last furnace shell proposed by the present invention, has the advantages that.
1. furnace shell is transported using support frame is promoted, instead of conventional giant caterpillar formula crane.Overcome construction operation
Faciostenosis, goliath are without the difficulty for putting space to good use, and to on-site, other regional effects are small, also a save large-scale crane platform
Class.
2. the blast-furnace shaft frame 13 for not needing to elapse platform side is complete from top to bottom compared with blast furnace monolithic push method
Portion is removed, and does not need to remove tuyere platform, and the cast house platform for not needing to install side is all removed, and does not need to remove cast house
The equipment such as upper corresponding iron notch drill, clay gun machine need to only remove several layers of shaft platforms above furnace shell passage platform.It ensure that furnace
The overall stability and bearing capacity of body frame 13.Compared with last furnace shell monolithic push method, greatly reduce reinforcing, remove and
The workload of recovery.
3. last furnace shell is all compared using inverse dress method in the prior art, the weight of bed rearrangement blast furnace all will be by furnace roof at this time
The hoisting apparatus of setting undertakes.And in the present embodiment, below three whole sections (weight account for about blast furnace gross weight 60%) using series installation method,
The weight that the peak load of the receiving of furnace roof steel strand cable jack 23 is four whole sections (weight account for about blast furnace gross weight 40%) above.
Therefore the reinforcing amount of furnace roof is much smaller than whole inverse dress method.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that blast furnace overhaul engineering of the present invention replaces a new blast furnace in the construction method of last furnace shell；
Fig. 2 is that the structure of a 7th section of furnace shell of new blast furnace in the construction method of blast furnace overhaul engineering of the present invention replacement last furnace shell is shown
It is intended to；
Fig. 3 is that blast furnace overhaul engineering of the present invention replaces integral layout schematic diagram of the construction method of last furnace shell in construction；
Fig. 4 is that blast furnace overhaul engineering of the present invention replaces the structural schematic diagram that support frame is promoted in the construction method of last furnace shell；
Fig. 5 is to install first segment furnace shell (from the bottom to top in the construction method of blast furnace overhaul engineering of the present invention replacement last furnace shell
Direction) when construction schematic diagram；
Fig. 6 be blast furnace overhaul engineering of the present invention replacement last furnace shell construction method in install first segment furnace shell (by down toward
Upper direction) after construction schematic diagram；
Fig. 7 is the construction in the construction method of blast furnace overhaul engineering of the present invention replacement last furnace shell when installing final stage furnace shell
Schematic diagram.
In figure, 1- first segment furnace shell (direction from the bottom to top, similarly hereinafter), 2- second segment furnace shell, 3- third section furnace shell, 4- the 4th
Section furnace shell, the 5th section of furnace shell of 5-, the 6th section of furnace shell of 6-, the 7th section of furnace shell of 7-, 8- tedge delivery line, 9- lifting lug, 10- lifting add
Gu Quan, 11- furnace roof rigid frame, 12- rise and fall pipe, 13- furnace shell frame, the roofing that 14- is got through slide channel, 15- cast house room
Face, 16- elapse channel, and 17- promotes combination beam, 18- forward direction hydraulic pressure lift frame, the reversed hydraulic pressure lift frame of 19-, 20- furnace to be installed
Shell entire combination section, 21- elapse trolley, 22- module transportation vehicle, 23- strand cable jack, 23- steel strand cable jack, 24- lifting
Jig, 25- blast furnace foundation, 26- bustle pipe, the five ~ seven section of combined segment of 27-, the first ~ tri- section of combined segment of 28-,
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to Figure 1 to Figure 7, in this preferred embodiment, a kind of construction method of blast furnace overhaul engineering replacement last furnace shell, packet
Include following steps:
New last furnace shell is divided into sectionally assembled structure and carries out over-the-counter assembly (to be arranged seven in the present embodiment figure by step S10
It is specifically described for section), and new Blast Furnace Push side sets up promotion support frame and is installed on promotion support outside cast house
The passage trolley 21 for placing segmented furnace shell can be moved up and down relative to it on frame；
Step S20 is set up on furnace roof rigid frame 11 for lifting the pulling apparatus of segmented furnace shell, and removes old furnace shell passage side
The upper surface of several layers furnace shell frame platform and passage side cast house metope and roofing, set up the passage channel 16 of new furnace shell with
It realizes that horizontal transport elapses trolley 21, remove old last furnace shell and its attached needs to change structure；
Step S30 successively transports the lower half portion of new last furnace shell in furnace shell frame 13 simultaneously by the passage segmentation of trolley 21
It is lifted using series installation method, i.e., lifts bottom furnace shell at first, finally lift the top furnace shell；
Step S40 successively transports the top half of new last furnace shell in furnace shell frame 13 simultaneously by the passage segmentation of trolley 21
It is lifted using inverse dress method, i.e., lifts the top furnace shell at first, finally lift bottom furnace shell, and connect new last furnace shell
Top half and lower half portion.
In step S30, furnace shell frame is successively transported by the passage segmentation of trolley 21 in the lower half portion of new last furnace shell
It is specifically included in 13 and the step of lifting using series installation method:
After a section furnace shell last in top-down direction is placed on passage trolley 21, it is promoted to by promoting support frame
After concordant with passage channel 16, through passage channel 16 by its horizontal transport to furnace shell frame 13, pulling apparatus will be last
Section furnace shell is sling, and passage trolley 21 is removed, and is dropped to it last section of furnace shell after blast furnace foundation 25 by pulling apparatus
Installation；
Second from the bottom section of furnace shell is transported by passage trolley 21 to furnace shell frame 13, by pulling apparatus by second from the bottom section
Furnace shell is placed in above last section of furnace shell, and connects second from the bottom section of furnace shell and last section of furnace shell (using welding phase
Even)；
Method is sequentially completed the lower half portion installation of new last furnace shell according to this.
In step S40, the top half of new last furnace shell is successively transported into furnace shell frame by the passage segmentation of trolley 21
It is specifically included in 13 and the step of lifting using inverse dress method:
It will be in top-down direction along number first segment furnace shell by passing through pulling apparatus in the passage transport to furnace shell frame 13 of trolley 21
Reserved space is promoted so that next section of furnace shell enters in furnace shell frame 13；
Passage trolley 21, which returns to, to be promoted in support frame and will be transported along number second segment furnace shell to furnace shell frame 13, and pulling apparatus will be suitable
Number first segment furnace shell is placed in along number second segment furnace shell top, after suitable number first segment furnace shell after being connected along number second segment furnace shell,
Pulling apparatus lifts its entirety upwards；
Method completes the top half installation of new last furnace shell according to this, after top half furnace shell all connects, by top half
Welding is grouped in furnace shell entire lowering and lower half portion furnace shell.
Specifically, 16 one end of passage channel of new furnace shell is connect with support frame is promoted, and the passage channel 16 of new furnace shell is another
End extends to 13 inside of furnace shell frame and connect with its frame, and hanging down for new furnace shell is collectively formed in passage channel 16 and promotion support frame
Straight and horizontal transport channel.
Promote the promotion combination beam 17 and be respectively used to drive with what promotion combination beam 17 was connect that support frame includes belt track
The positive hydraulic pressure lift frame 18 and reversed hydraulic pressure lift frame 19 that it is moved up and down are moved, passage trolley 21 is in promotion combination beam 17
Track on slide.
Pulling apparatus include the multiple groups steel strand cable jack 23 set up on furnace roof batch can platform along blast furnace central symmetry with
And the lifting jig 24 positioned at 23 lower section of steel strand cable jack, lifting jig 24 lift jig 24 for clamping segmented furnace shell
Upper end connect with the steel strand cable of steel strand cable jack 23.
In addition, adding in top-down direction along the lifting being welded with above number first segment furnace shell for being connect with lifting jig 24
Admittedly enclosing 10.
The transport of passage trolley 21 for being mounted with segmented furnace shell is led to being promoted inside support frame by module transportation vehicle 22
The hydraulic device on module transportation vehicle 22 is crossed, 21 dropping place of trolley will be elapsed on the track for promoting support frame.
Trolley 21 is elapsed when elapsing channel 16, passes through hoist engine or self-crawling type jack driving passage trolley 21 and segmentation
Formula furnace shell is transplanted on together in furnace shell frame 13.
The present embodiment is illustrated so that new blast furnace is arranged seven sections as an example herein.
1. new last furnace shell is divided into 7 sections of composite entity sections as shown in Figure 1 and carries out over-the-counter spelling group before blast furnace overhaul blowing out
To (containing the cooling wall and union on each section, being divided by dotted line for each section in Fig. 1), do not affect the normal production.Wherein the 7th section
Welding lifting fixing collar 10(is shown in Fig. 2 in (overall section topmost)).
2. in or so overhaul blowing out previous moon, outside cast house new Blast Furnace Push side set up promoted support frame (see Fig. 3,
Fig. 4).
3. being reinforced before and after overhaul blowing out to blast-furnace shaft frame 13 and furnace roof rigid frame 11.After blowing out, furnace roof tooth is removed
Roller box sets up four groups of steel strand cable jack 23, the dismounting as part furnace shell along blast furnace central symmetry on furnace roof batch can platform
The lifting of suspender and new furnace shell.Remove furnace shell several layers of 13 platforms of furnace shell frame in passage the upper surface of side and passage side cast house metope and
Roofing sets up the passage channel 16 of new furnace shell, links together with the promotion support frame on the outside of cast house, forms hanging down for new furnace shell
Straight and horizontal transport channel.
4. removing old last furnace shell, cooling wall and union, building materials and overhaul engineering clearly require replacement in furnace
Other structures.Blast furnace foundation 25, installation furnace bottom water cooling tube has been transformed, has prepared the installation of new furnace shell and equipment.
5. the first ~ tri- section of composite entity section is lifted using series installation method from the bottom to top for the lower half portion of new blast furnace, specifically
Step is: first paragraph 1 furnace shell reciprocal being placed on passage trolley 21 (see Fig. 2 ~ 5), is transported to by module transportation vehicle 22
Under hydraulic pressure lift frame, then trolley 21 will be elapsed by the hydraulic device on module transportation vehicle 22, dropping place is promoting combination beam 17
On track.Then, passage trolley 21 is carried when forehearth shell as promotion combination beam 17 is promoted together, is allowed and is promoted on combination beam 17
Track of the track just with passage channel 16 penetrates through.Pass through hoist engine or self-crawling type jack driving passage trolley 21 and furnace shell again
It is transplanted in furnace shell frame 13 together.Four steel strand cable jack 23 being arranged on furnace roof symmetrically sling furnace shell, elapse simultaneously
Trolley 21 is retracted along passage channel 16, carries out next transport with furnace shell together with module transportation vehicle 22.Steel strand cable jack 23
Blast furnace foundation 25 is dropped to by the furnace shell sling, it is to be installed, centering is in place.At this point, the 2nd section of furnace shell reciprocal is transported via module
It awaits orders in the defeated transport of vehicle 22 to passage channel 16.The transport of 2nd, 3 overall section furnace shells and lifting mode are identical as paragraph 1.
6. the seven ~ tetra- section of composite entity section carries out lifting (see figure 7) using inverse dress method, comprise the concrete steps that: the 3rd section of height reciprocal
Furnace installation is in place.First it will pass through module transportation vehicle 22, positive and negative hydraulic pressure lift frame, promotion combination beam 17 along number paragraph 1 furnace shell
It is transported under steel strand cable jack 23 with passage channel 16, lifting rises, and leaves enough along the 2nd section of number (i.e. direction from the bottom to top
6th section) the transport space of furnace shell.Same the furnace shell is transported to the lower section of steel strand cable jack 23, and steel strand cable jack 23 is by the
Seven sections drop to the 6th section of furnace shell upper surface, and welding is integral therewith.Six, the seven sections are promoted together, passage trolley 21 from
It opens, the 5th section of furnace shell transports to, such as some reciprocal, until the seven, the six, five, four sections of furnace shells are all connected into an entirety, promoted together,
Passage trolley 21 leaves.Then welding is grouped with third section in the seven, the six, five, four sections of furnace shell entire lowerings.So far, new peak
Furnace furnace shell installs.
The construction method for the blast furnace overhaul engineering replacement last furnace shell that the present embodiment proposes, has the advantages that.
1. furnace shell is transported using support frame is promoted, instead of conventional giant caterpillar formula crane.Overcome construction operation
Faciostenosis, goliath are without the difficulty for putting space to good use, and to on-site, other regional effects are small, also a save large-scale crane platform
Class.
2. the blast-furnace shaft frame 13 for not needing to elapse platform side is complete from top to bottom compared with blast furnace monolithic push method
Portion is removed, and does not need to remove tuyere platform, and the cast house platform for not needing to install side is all removed, and does not need to remove cast house
The equipment such as upper corresponding iron notch drill, clay gun machine need to only remove several layers of shaft platforms above furnace shell passage platform.It ensure that furnace
The overall stability and bearing capacity of body frame 13.Compared with last furnace shell monolithic push method, greatly reduce reinforcing, remove and
The workload of recovery.
3. last furnace shell is all compared using inverse dress method in the prior art, the weight of bed rearrangement blast furnace all will be by furnace roof at this time
The hoisting apparatus of setting undertakes.And in the present embodiment, below three whole sections (weight account for about blast furnace gross weight 60%) using series installation method,
The weight that the peak load of the receiving of furnace roof steel strand cable jack 23 is four whole sections (weight account for about blast furnace gross weight 40%) above.
Therefore the reinforcing amount of furnace roof is much smaller than whole inverse dress method.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (9)
1. a kind of construction method of blast furnace overhaul engineering replacement last furnace shell, which comprises the following steps:
New last furnace shell is divided into sectionally assembled structure and carries out over-the-counter assembly, and new Blast Furnace Push side is set up outside cast house
It promotes support frame and being installed on and promotes on support frame that can to move up and down passage for placing segmented furnace shell relative to it small
Vehicle；
It the upper surface of sets up on furnace roof rigid frame for lifting the pulling apparatus of segmented furnace shell, and removes old furnace shell passage side and is several
Layer furnace shell frame platform and passage side cast house metope and roofing, set up the passage channel of new furnace shell to realize that horizontal transport pushes away
Trolley is moved, old last furnace shell is removed and its attached needs to change structure；
By the lower half portion of new last furnace shell successively transported in furnace shell frame by passage trolley segmentation and using series installation method into
Row lifting, i.e., lift bottom furnace shell at first, finally lifts the top furnace shell；
By the top half of new last furnace shell successively transported in furnace shell frame by passage trolley segmentation and using inverse dress method into
Row lifting, i.e., lift the top furnace shell at first, finally lifts bottom furnace shell, and connects the top half of new last furnace shell under
Half part.
2. the construction method of blast furnace overhaul engineering as described in claim 1 replacement last furnace shell, which is characterized in that it is described will be new
It is successively transported in furnace shell frame by passage trolley segmentation and series installation method is used to be lifted in the lower half portion of last furnace shell
Step specifically includes:
After a section furnace shell last in top-down direction is placed on passage trolley, it is promoted to and elapses by promoting support frame
After channel is concordant, through passage channel by its horizontal transport to furnace shell frame, lifting device slings last section of furnace shell, removes
Fall to elapse trolley, be installed after last section of furnace shell is dropped to blast furnace foundation by lifting device；
Second from the bottom section of furnace shell is transported by elapsing trolley to furnace shell frame, by lifting device by second from the bottom section of furnace shell
It is placed in above last section of furnace shell, and connects second from the bottom section of furnace shell and last section of furnace shell；
Method is sequentially completed the lower half portion installation of new last furnace shell according to this.
3. the construction method of blast furnace overhaul engineering as described in claim 1 replacement last furnace shell, which is characterized in that it is described will be new
The top half of last furnace shell is successively transported in furnace shell frame by passage trolley segmentation and inverse dress method is used to be lifted
Step specifically includes:
Will in top-down direction along number first segment furnace shells by passage trolley transport to furnace shell frame, by lifting device by its
Reserved space is promoted so that next section of furnace shell enters in furnace shell frame；
Passage trolley, which returns to, to be promoted in support frame and will be transported along number second segment furnace shell to furnace shell frame, and pulling apparatus will be along number the
Primary reformer shell is placed in along number second segment furnace shell top, after connecting along number second segment furnace shell, is lifted after along number first segment furnace shell
Device lifts its entirety upwards；
Method completes the top half installation of new last furnace shell according to this, after top half furnace shell all connects, by top half
Welding is grouped in furnace shell entire lowering and lower half portion furnace shell.
4. the construction method of blast furnace overhaul engineering replacement last furnace shell as described in claim 1, which is characterized in that new furnace shell
Passage one end of the channel with promoted support frame connect, the passage channel other end of new furnace shell extend to furnace shell frame inside and with its frame
The vertically and horizontally transport channel of new furnace shell is collectively formed in frame connection, passage channel and promotion support frame.
5. the construction method of blast furnace overhaul engineering replacement last furnace shell as described in claim 1, which is characterized in that the promotion
Support frame includes the promotion combination beam of belt track and drives it to move up and down just with being respectively used to of connecting of combination beam is promoted
To hydraulic pressure lift frame and reversed hydraulic pressure lift frame, elapses trolley and slided on the track for promoting combination beam.
6. the construction method of blast furnace overhaul engineering replacement last furnace shell as described in claim 1, which is characterized in that the lifting
Device include the multiple groups steel strand cable jack set up on furnace roof batch can platform along blast furnace central symmetry and be located at steel strand cable thousand
The lifting jig of jin top lower section, lifting jig lift upper end and the steel strand cable jack of jig for clamping segmented furnace shell
The connection of steel strand cable.
7. the construction method of blast furnace overhaul engineering replacement last furnace shell as claimed in claim 6, which is characterized in that from top to bottom
Direction is along the lifting fixing collar being welded with above number first segment furnace shell for connecting with lifting jig.
8. the construction method of blast furnace overhaul engineering replacement last furnace shell as described in claim 1, which is characterized in that pass through module
Transport vehicle transports the passage trolley for being mounted with segmented furnace shell to being promoted inside support frame, by hydraulic on module transportation vehicle
Device will elapse trolley dropping place on the track for promoting support frame.
9. the construction method of blast furnace overhaul engineering replacement last furnace shell as claimed in any of claims 1 to 8 in one of claims, feature
It is, elapses trolley when elapsing channel, is transferred together by hoist engine or self-crawling type jack driving passage trolley and furnace shell
Into furnace shell frame.
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| CN110760634A (en) * | 2019-09-25 | 2020-02-07 | 中国一冶集团有限公司 | Blast furnace shell installation method |
| CN111235333A (en) * | 2020-03-11 | 2020-06-05 | 湖南湘钢工程技术有限公司 | Method for replacing furnace shell of blast furnace body part |
| CN112109037A (en) * | 2020-08-19 | 2020-12-22 | 江苏凯恩特机械设备制造有限公司 | Special dismounting device for overhauling unit brake of hydropower station and dismounting method thereof |
| WO2021035974A1 (en) * | 2019-08-29 | 2021-03-04 | 上海宝冶冶金工程有限公司 | Transportation system and method for blast furnace shell |
| CN112723205A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Blast furnace shell mounting device and using method thereof |
| CN113213337A (en) * | 2021-04-09 | 2021-08-06 | 北京首钢建设集团有限公司 | High-altitude translation construction method for overweight furnace shell of large blast furnace |
| CN113895889A (en) * | 2021-10-28 | 2022-01-07 | 中国十九冶集团有限公司 | Large-tonnage object horizontal pushing track structure |
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| WO2021035974A1 (en) * | 2019-08-29 | 2021-03-04 | 上海宝冶冶金工程有限公司 | Transportation system and method for blast furnace shell |
| JP2022501499A (en) * | 2019-08-29 | 2022-01-06 | 上海宝冶冶金工程有限公司Shanghai Baoye Metallurgical Engineering Co., Ltd. | Blast furnace furnace mantle transportation system and method |
| CN110760634A (en) * | 2019-09-25 | 2020-02-07 | 中国一冶集团有限公司 | Blast furnace shell installation method |
| CN111235333A (en) * | 2020-03-11 | 2020-06-05 | 湖南湘钢工程技术有限公司 | Method for replacing furnace shell of blast furnace body part |
| CN111235333B (en) * | 2020-03-11 | 2021-06-04 | 湖南湘钢工程技术有限公司 | Method for replacing furnace shell of blast furnace body part |
| CN112109037A (en) * | 2020-08-19 | 2020-12-22 | 江苏凯恩特机械设备制造有限公司 | Special dismounting device for overhauling unit brake of hydropower station and dismounting method thereof |
| CN112109037B (en) * | 2020-08-19 | 2021-06-11 | 江苏凯恩特机械设备制造有限公司 | Special dismounting device for overhauling unit brake of hydropower station and dismounting method thereof |
| CN112723205A (en) * | 2020-12-25 | 2021-04-30 | 上海二十冶建设有限公司 | Blast furnace shell mounting device and using method thereof |
| CN113213337A (en) * | 2021-04-09 | 2021-08-06 | 北京首钢建设集团有限公司 | High-altitude translation construction method for overweight furnace shell of large blast furnace |
| CN113895889A (en) * | 2021-10-28 | 2022-01-07 | 中国十九冶集团有限公司 | Large-tonnage object horizontal pushing track structure |
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