CN105408499A - Blast furnace repair method - Google Patents

Abstract

Provided is a blast furnace repair method for repairing a blast furnace that comprises a furnace body and a furnace body tower that are installed on a site foundation. In a state in which an old blast furnace is in operation (S1), the following are performed: a new furnace body construction step (S2) in which a new furnace body tower and a new furnace body are built on a new foundation that is at a separate location from the site foundation; and a foundation splitting step (S3) in which the site foundation is cut into upper and lower sections and split into an upper foundation section on which the old furnace body and the old furnace body tower are installed and a lower foundation section. After performing blast furnace blow-out (S4), the following are performed: an old furnace body extraction step (S5) in which the upper foundation section is pulled out together with the old furnace body and the old furnace body tower; and a new furnace body installation step (S6) in which the new foundation is installed together with the new furnace body tower and the new furnace body on the lower foundation section.

Description

The overhaul method of blast furnace

Technical field

The present invention relates to a kind of overhaul method of blast furnace, particularly relate to one and can remove old body of heater, old body of heater pylon at short notice, build the overhaul method of new body of heater, the newly blast furnace of body of heater pylon.

Background technology

For the blast furnace of ironmaking, just to need to carry out large repairs, namely carry out the renewal of body of heater every the more than ten years.

By removing the old body of heater built on the basis that blast furnace arranges place, same foundation building new body of heater, carrying out the renewal of body of heater.

When carrying out the renewal of body of heater, the basis that place is set at blast furnace is disassembled old body of heater, afterwards, builds new body of heater, do like this, can cause as inferior problem: blowing out (blowout) time of blast furnace is longer, and every blowing out can produce huge financial loss on 1st.

For above-mentioned such problem, in the prior art, people adopt modular construction method to carry out large repairs to blast furnace, that is, body of heater is divided into columnar module, removes from basis, and, remove on basis after module assembled is carried out in other place.

Wherein, be developed a kind of large modular construction method adopting heavy die block, that is, blast furnace be divided into about 4 large-scale modules (with reference to patent documentation 1).

In the method for patent documentation 1, utilize and be arranged on lifting-jack on blast furnace pylon by the mode of the slinging old body of heater that will remove of movement and the module of new body of heater that will move in order, and to side, the module of furnace bottom side is shifted out, removes.

Wherein, the weight remaining in the furnace bottom residue of the cooling curing of the furnace bottom part of old body of heater after blast furnace stopping is comparatively large, and the overall weight of the furnace bottom part of old body of heater is up to such as 8000 tons sometimes, thus, is difficult to this furnace bottom part to be sling.

For the furnace bottom part that such a weight is larger, people have provided a kind of disassembling method (with reference to patent documentation 2) of bottom of the blast furnace of being removed when not slinging.

In the method for patent documentation 2, basis is divided into the multiple length areas along shifting out direction extension, in the horizontal direction basis is cut in each region in order, carry out the operation of filling sliding panel and packing material, after the stuffing operation in all regions completes, utilize sliding panel that furnace bottom is slided, make it only move in the horizontal direction, shifted out.Adopt such a method, for the large-scale furnace bottom part of weight more than 8000 tons, module also can be it can be used as to carry out removing and moving into.Adopt these technology above-mentioned, the overhaul duration of blast furnace can be shortened.

In addition, as the technology early than above-mentioned large modular construction method, there has been proposed following a kind of technology, that is, remove whole for the old body of heater of blast furnace, then the new body of heater built in other place is moved to (with reference to patent documentation 3) on basis.

But, in the technology of patent documentation 3, though describe the bulk treatment to body of heater, but, as accompanying drawing clearly shown in, body of heater pylon is directly remained, in the technology of this patent documentation 3 not to body of heater pylon disassemble or build relevant record.

This be due to, with the state of the art of the overhaul method of blast furnace at that time, the life-span of improving furnace main body (losses of refractory materials etc.) can only be accomplished, expand the degree of heat size etc. a little, thus, only furnace main body disassembled when overhaul and build again, not needing to disassemble the body of heater pylon of supporting body of heater and build again, from duration and economic aspect, continue to use the body of heater pylon remained comparatively common.

In addition, as the building method of the high-rise fabrication of shop equipment, there has been proposed following a kind of technology, that is, apparatus main body and framework around thereof are moved to together basis upper (with reference to patent documentation 4).

In the art, the bottom of device is made to have independently structure, corresponding to the lower unit with independently structure, carrying after apparatus main body and framework are shortened.Then, the apparatus main body after shortening and framework are arranged on basis upper after, sling, make it to extend, and carry the lower unit of coming in addition and assemble, constituent apparatus main body.Therefore, the technology of patent documentation 4 can be said with the large modular construction method of blast furnace similar.But, described in patent documentation 4, this technology it is envisaged that utilize boats and ships, situation when vehicle is carried, and be not used to situation when the large-scale fabrication that blast furnace is such is carried.Moreover, in patent documentation 4, describe and use special folding framework to carry out situation about arranging, but not relevant to removing old fabrication record.

No. 2006-283183, [patent documentation 1] Japanese invention Patent Publication No

No. 4300249, [patent documentation 2] Japanese invention license publication

Clear No. 52-13406 of [patent documentation 3] Japanese invention Patent Publication No

Clear No. 58-106036 of [patent documentation 4] Japanese invention Patent Publication No

As mentioned above, the elongated meeting of furnace outage time of blast furnace causes huge financial loss, and thus, in order to suppress this situation as much as possible, people wish the further reduction of erection time.

But, in the large modular construction method shown in above-mentioned patent documentation 1 or patent documentation 2, need the operation that each module is removed and moved into, and, when each operation removed and move into each module, also need to utilize body of heater pylon to carry out operation of slinging, be thus difficult to shorten the overhaul duration.

In addition, in the large modular construction method shown in above-mentioned patent documentation 1 or patent documentation 2, to sling each module owing to utilizing body of heater pylon, thus, body of heater pylon must exist when the removing and move into of body of heater, and need removing and outside carrying-in operation, in addition body of heater pylon being disassembled or built at body of heater, be thus also difficult to the shortening realizing the duration.

Or, the body of heater pylon of old body of heater can be considered to be directly used in new body of heater, but, in this case, in order to avoid new body of heater is interferenceed with regard to body of heater pylon, and the expansion of the heat size of new body of heater is restricted.

Here, in above-mentioned patent documentation 3, integral replacing body of heater, can dispense the operation of slinging utilizing body of heater pylon to carry out in the modular construction method comprising large modular construction method.But, in patent documentation 3, body of heater pylon is not upgraded, and the blast furnace that can not be applicable to along with the expansion of body of heater volume upgrades.

In addition, in above-mentioned patent documentation 4, contemplated device is to utilize boats and ships, vehicle to carry out the small-sized fabrication carried, thus, the technology of patent documentation 4 can not be directly applied for the renewal of blast furnace, further, need to be operated by the dismounting etc. that is flexible and lower unit of framework, this effect that the overhaul duration can not be brought to shorten.

Like this, in the large modular construction method shown in above-mentioned patent documentation 1 or patent documentation 2, be difficult to the further reduction of erection time, and, even if with reference to patent documentation 3 and the patent documentation 4 of the technology before recording this, also be difficult in the short period of time, remove old body of heater, old body of heater pylon when blast furnace overhaul, build new body of heater, new body of heater pylon.

Summary of the invention

The object of the present invention is to provide one can remove old body of heater, old body of heater pylon at short notice, build the overhaul method of new body of heater, the newly blast furnace of body of heater pylon.

The overhaul method of blast furnace of the present invention is the method carried out large repairs to the blast furnace with body of heater and body of heater pylon be arranged on field basic, under the state that described blast furnace operates, implement new body of heater and build operation and based fragmentation operation, wherein, build in operation at described new body of heater, build place at the new body of heater different from described field basic, build new basis, and build new body of heater pylon and new body of heater on described new basis; In described based fragmentation operation, upper and lower cutting is carried out to described field basic, be divided into the basic top and basic infrastructure of placing have been friends in the past body of heater and old body of heater pylon, after described blast furnace stopping, implement old body of heater and shift out operation and new body of heater immigration operation, wherein, shift out in operation at described old body of heater, described basic top is shifted out from described basic infrastructure with described old body of heater together with described old body of heater pylon; Move in operation at described new body of heater, described new basis is moved on described basic infrastructure with described new body of heater pylon together with described new body of heater.

In such a the present invention, build in operation at new body of heater, under the state (state of non-blowing out) that old blast furnace is in running, place can built from the new body of heater that blast furnace arranges place different, in new body of heater and the new body of heater pylon of the upper structure in new basis.Then, after to old blast furnace stopping, implement old body of heater and shift out operation and new body of heater immigration operation, so that old body of heater and old body of heater pylon can be removed from field basic, change together with new body of heater pylon with the new body of heater previously built.Afterwards, under the state that can operate at new blast furnace, disassemble place at other old body of heater and the old body of heater removed and old body of heater pylon are suitably disassembled.

Therefore, in the present invention, the overhaul duration of blast furnace can be foreshortened to about 50 ~ 70 days.

Adopt carry out on same foundation from old body of heater disassemble the existing construction method of all operations of the structure of new body of heater time, also have the impact of body of heater volume size, the overhaul duration need about 120 ~ 150 days.

In addition, when adopting above-mentioned large modular construction method or modular construction method, also can implement the manufacture of each module in the place different from basis and disassemble, but, need on basis, carry out the module segmentation of old body of heater, sling operation and carrying-out operation, and the module of carrying out new body of heater is moved into, sling operation and connection (assembling) operation, and now, the overhaul duration of blast furnace needs about 80 ~ 120 days.

As mentioned above, in the present invention, the operation arranged on place at blast furnace is only limitted to old body of heater and shifts out operation and new body of heater moves into operation, thus can shorten the overhaul duration of blast furnace significantly.

Moreover, in the present invention, owing to being changed together with body of heater pylon by body of heater, the structure with new body of heater of disassembling of old body of heater thus also can be carried out in the lump, thus can the reduction of erection time.

In addition, because body of heater pylon is also changed in the lump, thus, the machine type be arranged between old body of heater and body of heater pylon (various equipment and distribution piping etc.) can be pulled to outside basis under the installment state that maintenance is original.Further, the machine type be arranged between new body of heater and new body of heater pylon can build in operation at new body of heater and be installed in advance, is placed on basis afterwards in the lump.Thus the overhaul duration can be shortened.

In addition, as the feature that the present invention is important, in the present invention, owing to old body of heater pylon being replaced by new body of heater pylon while the replacing carrying out old body of heater and new body of heater, thus, even if when expanding the heat size of new body of heater, the restriction of the size of old body of heater pylon also can not be subject to.That is, even if adopt the new body of heater having and receive the size filling not enter in old body of heater pylon, also can building the new body of heater pylon that body of heater new for this is corresponding, also greatly can improve degree of freedom when expanding heat size.

In addition, move in operation at new body of heater, be handled upside down together with this new body of heater pylon under the new body of heater that will carry is supported such steady state by new body of heater pylon, thus can carry out this operation safely.

In the present invention, preferably move in operation at described new body of heater, the upper surface of described basic infrastructure is formed and repairs basis, described new basis and described new body of heater pylon are moved into together with described new body of heater on the described upper surface repairing basis.

In such a the present invention, even if by cutting during based fragmentation operation, or operation when shifting out operation by old body of heater makes the upper surface of basic infrastructure become coarse, occur larger concavo-convex etc., also can be covered by reparation basis, with the upper surface repairing basis for the mode of the higher plane of smoothness rebuilds.Therefore, as long as arrange the slide construction portion etc. of immigration Handling device on the upper surface repairing basis, just new body of heater can be moved into high-accuracy stable.

In the present invention, build in operation at described new body of heater, use immigration Handling device, described immigration Handling device builds place straight line from described new body of heater and extends to described field basic, shift out in operation at described old body of heater, use is shifted out with Handling device, described shifting out extends to the place of carrying out described new body of heater structure operation from described field basic with Handling device (transport path), and, extend from direction transformation position (steering position) to the crossing direction that bearing of trend before intersects, described immigration Handling device and described shifting out have slide construction portion respectively with Handling device, in described slide construction portion, the low frictional properties liner as solid lubrication formula lubricating component is provided with between pair of sliding plate.

In such a the present invention, build in operation at new body of heater, build new blast furnace (new body of heater and new body of heater pylon) on new basis after, move in operation at new body of heater, new basis, new body of heater and new body of heater pylon are transported to field basic.Now, because immigration Handling device moves linearly, thus, can to carry under the minimal driving of not direction of travel conversion etc., the possibility reducing that new body of heater on new basis and new body of heater pylon deform etc., realizes safety carrying.

In addition, such as can sharing with above-mentioned immigration Handling device from field basic to the part of direction transformation position of old body of heater moving-out device, as immigration Handling device, can effectively utilize the ground after trimming, reinforcing.That is, in order to bear the load of huge new body of heater and new body of heater pylon, the ground arranging immigration Handling device is reinforced fully.In order to make to shift out the huge load of bearing old body of heater and old body of heater pylon with Handling device, need to shift out setting to reinforce with the ground of Handling device, by the part of this reinforcing and immigration Handling device local being shared, operation and the expense of whole ground reinforcing can be reduced.

But the present invention is not limited to and shifts out by Handling device and immigration Handling device local common carrying passage portion.The present invention can adopt and shift out by Handling device and the separate structure of immigration Handling device.

Moreover, change direction with Handling device (transport path) midway at immigration Handling device owing to shifting out, extending along intersecting direction, thus old body of heater can be disassembled place and being arranged on the place being different from new body of heater structure place, avoiding operation field interference.

In addition, because old body of heater and old body of heater pylon are disassembled after being moved out of, thus, also can not produce any problem even if to deform etc., change direction also can not produce what problem with Handling device in midway even if shift out.Consider such a situation, in the present invention, most preferably make immigration Handling device linearly configure, make to shift out with Handling device to crossing direction transformation direction.

But the present invention is not limited to immigration Handling device and linearly configures, shift out by the structure of Handling device to crossing direction transformation direction.The present invention also can adopt to shift out and linearly configure with Handling device, the structure of immigration Handling device in midway to crossing direction transformation direction.

In the present invention, the structure shifted out with Handling device and the conversion of immigration Handling device difference direction of travel can be adopted.Such as, immigration Handling device can be adopted in the midway of its carrying passage portion to crossing direction transformation direction (turning round), shift out with Handling device from the midway of immigration Handling device the structure to crossing direction transformation direction.Such as, also following structure can be adopted: immigration Handling device and to shift out with the common sparing of the carrying passage portion of Handling device be arrange from blast furnace the part that place extends out, immigration Handling device builds place extension along intersecting direction to new body of heater from the end of this common sparing, shifts out and disassembles place extension with Handling device from this end to opposite side towards old body of heater.

In the present invention, shift out and can distinguish linearly structure with Handling device and immigration Handling device.In this case, shift out and need separate setting with Handling device and immigration Handling device, such as, shift out and extend straight with the side of Handling device to field basic, immigration Handling device extends straight to the opposite side of field basic.Now, shift out and be not limited to 180 degree (on the same line spread configurations) or 90 degree with Handling device and immigration Handling device angulation.Its reason is, in the present invention, because body of heater pylon is also carried together, thus, do not deposit body of heater through body of heater pylon, be subject to through angle restriction problem.

Further, in such a the present invention, can the slip of 2 adjacent sliding panels in the slide construction portion board-like by the slip making pair of sliding plate slide mutually, carry out the carrying that above-mentioned new body of heater moves into the new basis in operation, new body of heater and new body of heater pylon.

Namely, when using the mechanical structure such as wheel or rolling member, due to the huge load that huge new body of heater and new body of heater stand apply, the part of bearing point load of mechanical structure is caused to deform sometimes or breakage, affect the function of this mechanical structure, cause difficult.But, utilize such a pair of sliding plate to carry, can huge load be made by larger slipping plane to disperse, and formed continuously due to slipping plane, thus local deformaton is less likely to occur, thus, even carry huge new body of heater and new body of heater pylon, also can reliably carry out.

Moreover, by arranging the low frictional properties liner of solid lubrication formula between pair of sliding plate, the friction between this pair sliding panel can be reduced further, smoothly and carry accurately, even if the new blast furnace that carrying one builds, also damage can not be caused to this new blast furnace.

In addition, the slide construction portion board-like for the slip making pair of sliding plate slide mutually and the carrying with the body of heater of huge load utilizing this slide construction portion to carry out, preferably with reference to the technology that above-mentioned patent documentation 2 is recorded.As the low frictional properties liner of solid lubrication formula, the fines such as solid lubricant, such as tetrafluoroethylene resin (PTFE), molybdenumdisulphide, graphite is preferably made to glue on a surface of a substrate and the parts formed.

These slide construction portions are not limited to for moving into the immigration Handling device utilized in operation at new body of heater, also may be used for shifting out at old body of heater shifting out of utilizing in operation and use Handling device.

In the present invention, as above-mentioned immigration Handling device and the concrete structure shifted out with Handling device, stand such below setting, guarantees the slide construction portion extended along carrying passage portion, and utilizes this stand and this slide construction portion to carry out carrying operation.

In the present invention, following structure can be adopted: described in shift out and have with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater and build operation, 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects, shift out with stand, it can move passage portion along the described 1st and move, branch road movable stand, it can move passage portion along the described 2nd and move, recess, it moves passage portion along the described 2nd and is arranged on ground, and fill described branch road movable stand for receiving, move in passage portion the described 1st, have and extend to the upper surface of described basic infrastructure continuously with the upper surface of stand and the height of slipping plane is set at the slide construction portion of height L1 from described shifting out, shift out with between the lower surface of stand and ground and the height of slipping plane is set at the slide construction portion of height L2 described in being arranged at, and on the upper surface being arranged at described branch road movable stand and the height of slipping plane is set at the slide construction portion of described height L2, move in passage portion the described 2nd, have be arranged at described branch road movable stand between lower surface and the bottom surface of described recess and the height of slipping plane be set at height L3 slide construction portion, described immigration Handling device has: the 3rd moves passage portion, it extends from described new basis to described field basic, immigration stand, it can move passage portion along the described 3rd and moves and support described new basis, support unit, it is positioned at the midway of described 3rd passage portion, and be arranged in described recess, move in passage portion the described 3rd, have be arranged at described immigration stand between lower surface and ground, upper surface via described support unit extends near described basic infrastructure continuously and the height of slipping plane is set at the slide construction portion of described height L2, to be arranged between the upper surface of described immigration stand and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of height L4, and be arranged at described to repair between the upper surface on basis and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of described height L4, the height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L2 > height L3.

When adopting such a structure of the present invention, the slide construction portion being in height L1 is utilized to shift out old body of heater and even basic top from field basic, slide construction portion by being in height L2 before changing direction afterwards utilizes to shift out carries with stand, thus the miles of relative movement on old body of heater and even basic top can be suppressed in shorter distance, utilize and shift out the movement carrying out growing distance with stand, with can smoothly and stably carry.Moreover, owing to utilizing the slide construction portion be in lower than the height L3 of height L2, branch road movable stand is moved, thus can be placed on shifting out on the upper surface of branch road movable stand with the old body of heater on stand and even basic top, and can successfully change direction.

Moreover, when moving into new blast furnace and new basis, be used in and shift out the immigration stand slided with the height L2 that the mobile and horizontal face height of stand is identical, thus can smoothly and stably carry, and the shared of the part that ground is reinforced etc. can be realized.Moreover, utilize the slide construction portion be in higher than the height L4 of height L1 to carry out immigration operation to the new blast furnace on immigration stand and new basis, repair on basic upper surface new blast furnace and new basis can be moved into.

In the present invention, following structure can be adopted: described in shift out and have with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater and build operation, 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects, shift out with stand, it can move passage portion along the described 1st and move, move in passage portion the described 1st, have and extend to the upper surface of described basic infrastructure continuously with the upper surface of stand and the height of slipping plane is set at the slide construction portion of height L1 from described shifting out, and shift out with between the lower surface of stand and ground and the height of slipping plane is set at the slide construction portion of height L2 described in being arranged at, move in passage portion the described 2nd, have, between the lower surface shifting out use stand described in being arranged at and ground, move in passage portion the slide construction portion being in described height L2 formed continuously with the described 1st, extend along with the crossing direction that the bearing of trend in this slide construction portion intersects, and the height of slipping plane is set at the slide construction portion of height L2, described immigration Handling device has: the 3rd moves passage portion, it extends from described new basis to described field basic, immigration stand, it can move passage portion along the described 3rd and moves and support described new basis, move in passage portion the described 3rd, have be arranged at described immigration stand between lower surface and ground, extend to the vicinity of described basic infrastructure continuously and the height of slipping plane is set at the slide construction portion of described height L2, to be arranged between the upper surface of described immigration stand and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of height L4, and be arranged at described to repair between the upper surface on basis and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of described height L4, the height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L2.

When adopting such a structure of the present invention, substantially foregoing effect can be obtained, and, can by means of only utilize the slide construction portion that is in height L2 shift out implement old body of heater and even basic top with stand shift out operation, and above-mentioned branch road movable stand and recess can be omitted.

In the present invention, following structure can be adopted: described in shift out and have with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater and build operation, 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects, branch road stand, it moves passage portion along the described 2nd and extends and arrange on the ground, branch road movable stand, it can move along described branch road stand, middle stand, it moves passage portion along the described 1st and extends and be connected with described field basic and described branch road stand, move in passage portion the described 1st, have and extend to the upper surface of described basic infrastructure continuously via the upper surface of described middle stand and the height of slipping plane is set at the slide construction portion of height L1 from the upper surface of described branch road movable stand, move in passage portion the described 2nd, have be arranged at described branch road movable stand between lower surface and the upper surface of branch road stand and the height of slipping plane be set at height L3 ' slide construction portion, described immigration Handling device has: the 3rd moves passage portion, it extends from described new basis to described field basic, structure stand, it supports described new basis, auxiliary rack, it is positioned at the midway that the described 3rd moves passage portion, and be arranged on the stand of described branch road with on described middle stand, move in passage portion the described 3rd, have be arranged at described new basis between lower surface and the upper surface of described structure stand, upper surface via described auxiliary rack extends to continuously describedly repairs the upper surface on basis and the height of slipping plane is set at the slide construction portion of described height L4, the height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L3 '.

When adopting such a structure of the present invention, when carrying out shifting out operation, utilizing the slide construction portion being in height L1 to make old body of heater and even basic top directly slide into the position of direction transformation, thus can omit to shift out and use stand.Carry out direction of travel conversion by the branch road movable stand in the slide construction portion utilizing the height L3 ' be in lower than height L1, thus can old body of heater and even basic top are placed on the upper surface of branch road movable stand, successfully direction of travel conversion.In addition, when carrying out immigration operation, can utilize the slide construction portion being in height L4 that new body of heater and even new basis are regulated and sliding, being directly moved on field basic.Now, utilize the slide construction portion be in higher than the height L4 of height L1 to operate with the immigration on new basis to carry out new blast furnace, thus new blast furnace and new basis can be moved into and repair on basic upper surface.

In the present invention, preferably in described immigration Handling device, the guiding groove extended continuously along carrying direction is provided with in the fixation side part in described slide construction portion, and being arranged with guide block at the mobile sidepiece in described slide construction portion, described guide block is arranged on the position, place, front and back 2 in the working direction of described mobile side part.

In such a the present invention, by the engaging of guiding groove and guide block, when the mobile side part of immigration Handling device will move to the direction beyond the carrying direction of regulation for some reason, because the normal load value being applied to mobile side part corresponds to the larger weight of blast furnace entirety, guide block is thus made to cross guiding groove and outwards to depart from.Proceed to guide therefore, it is possible to guide block is maintained in guiding groove, mobile side part is only moved along the carrying direction of regulation.Thus stability when carrying and high precision can be guaranteed.

In the present invention, the carrying precision set of preferred described immigration Handling device is, often moves 1m lateral error (displacement error in horizontal direction) at below 3mm.

In such a the present invention, can move at above-mentioned new body of heater in operation and with satisfactory stability and high precision, new basis, new body of heater and new body of heater pylon be carried, the new body of heater on new basis and new body of heater pylon is suppressed to deform fully, so that safety carrying accurately can be carried out.

When adopting of the present invention, operation and new body of heater immigration operation is shifted out because the operation on basis is only limitted to old body of heater, thus mainly can be defined as the duration that old body of heater shifts out operation and new body of heater immigration operation the overhaul duration of blast furnace, thus the overhaul duration can be shortened significantly.

Therefore, adopt the present invention that one can be provided to remove old body of heater, old body of heater pylon at short notice, build the overhaul method of new body of heater, the newly blast furnace of body of heater pylon.

Accompanying drawing explanation

Fig. 1 is the schema of the general contents of the blast furnace overhaul operation representing the 1st embodiment of the present invention.

Fig. 2 is the vertical view of the configuration representing the operation field that the overhaul of above-mentioned 1st embodiment utilizes.

Fig. 3 represents that the old body of heater of above-mentioned 1st embodiment shifts out the vertical view of operation.

Fig. 4 represents that the new body of heater of above-mentioned 1st embodiment moves into the vertical view of operation.

Fig. 5 is the vertical planning drawing of the cutting situation of the based fragmentation operation representing above-mentioned 1st embodiment.

Fig. 6 is the amplification vertical planning drawing of the cutting operation of the based fragmentation operation representing above-mentioned 1st embodiment.

Fig. 7 is the stereographic map of the cutting operation of the based fragmentation operation representing above-mentioned 1st embodiment.

Fig. 8 represents that the old body of heater at above-mentioned 1st embodiment shifts out the vertical planning drawing of the Handling device used in operation.

Fig. 9 represents to shift out at the old body of heater of above-mentioned 1st embodiment the vertical view in slide construction portion being in height L1 used in operation.

Figure 10 represents to shift out at the old body of heater of above-mentioned 1st embodiment the vertical view in slide construction portion being in height L2 used in operation.

Figure 11 represents to shift out at the old body of heater of above-mentioned 1st embodiment the vertical view in slide construction portion being in height L3 used in operation.

Figure 12 represents that the old body of heater at above-mentioned 1st embodiment shifts out the amplification stereogram of the major portion of the Handling device used in operation.

Figure 13 represents that the old body of heater at above-mentioned 1st embodiment shifts out the sectional view of the major portion of the Handling device used in operation.

Figure 14 represents that the old body of heater at above-mentioned 1st embodiment shifts out the amplification view of the major portion of the Handling device used in operation.

Figure 15 represents that the old body of heater at above-mentioned 1st embodiment shifts out the vertical view of the major portion of the Handling device used in operation.

Figure 16 represents that the old body of heater of above-mentioned 1st embodiment shifts out the vertical planning drawing of the 1st carrying operation of operation.

Figure 17 represents that the old body of heater of above-mentioned 1st embodiment shifts out the vertical planning drawing of the 2nd carrying operation of operation.

Figure 18 is the vertical planning drawing of the towing mechanism of the Handling device represented for above-mentioned 1st embodiment.

Figure 19 is the vertical view of the towing mechanism of the Handling device represented for above-mentioned 1st embodiment.

Figure 20 represents that the new body of heater of above-mentioned 1st embodiment moves into the vertical planning drawing of the preparatory stage of operation.

Figure 21 represents that the new body of heater at above-mentioned 1st embodiment moves into the vertical planning drawing of the Handling device used in operation.

Figure 22 represents that the new body of heater at above-mentioned 1st embodiment moves into the amplification stereogram of the major portion of the Handling device used in operation.

Figure 23 represents that the new body of heater of above-mentioned 1st embodiment moves into the vertical planning drawing of the 1st carrying operation of operation.

Figure 24 represents that the new body of heater of above-mentioned 1st embodiment moves into the vertical planning drawing of the 2nd carrying operation of operation.

Figure 25 represents that the old body of heater at the 2nd embodiment of the present invention shifts out the vertical planning drawing of the Handling device used in operation.

Figure 26 represents the vertical view shifting out the Handling device used in operation at the old body of heater of above-mentioned 2nd embodiment.

Figure 27 represents that the old body of heater at the 3rd embodiment of the present invention shifts out the vertical planning drawing of the Handling device used in operation.

Figure 28 represents to shift out at the old body of heater of above-mentioned 3rd embodiment the vertical view in slide construction portion being in height L1 used in operation.

Figure 29 represents to shift out at the old body of heater of above-mentioned 3rd embodiment the vertical view in slide construction portion being in height L3 ' used in operation.

Figure 30 represents that the new body of heater at above-mentioned 3rd embodiment moves into the vertical planning drawing of the Handling device used in operation.

Figure 31 represents the vertical view being in the slide construction portion of height L4 used in the new body of heater immigration operation of above-mentioned 3rd embodiment.

Figure 32 represents that the old body of heater of the 4th embodiment of the present invention shifts out the vertical view of operation.

Figure 33 represents that the new body of heater of above-mentioned 4th embodiment moves into the vertical view of operation.

Figure 34 represents that the old body of heater of the 5th embodiment of the present invention shifts out the vertical view of operation.

Figure 35 represents that the new body of heater of above-mentioned 5th embodiment moves into the vertical view of operation.

Figure 36 represents that the old body of heater of the 6th embodiment of the present invention shifts out the vertical view of operation.

Figure 37 represents that the new body of heater of above-mentioned 6th embodiment moves into the vertical view of operation.

Figure 38 represents that the old body of heater of the 7th embodiment of the present invention shifts out the vertical view of operation.

Figure 39 represents that the new body of heater of above-mentioned 7th embodiment moves into the vertical view of operation.

Figure 40 is the sectional view representing available immigration Handling device in above-mentioned 4th embodiment and above-mentioned 5th embodiment.

Embodiment

Below, with reference to accompanying drawing, embodiments of the present invention are described.

[the 1st embodiment]

The planar configuration situation (Fig. 2) of the operation field that each figure of Fig. 1 ~ Fig. 4 is illustrated respectively in the general contents (Fig. 1) of the blast furnace overhaul operation implemented in present embodiment, overhaul utilizes, old body of heater shift out operation (Fig. 3) and new body of heater moves into operation (Fig. 4).

In fig. 2, want the blast furnace of overhaul (old blast furnace 10) to be arranged on blast furnace in the present embodiment to arrange on the P1 of place.Place P1 is set at blast furnace, on field basic 13, builds have been friends in the past body of heater 11 and old body of heater pylon 12.The plane of field basic 13 is rectangular, the planeform with this field basic 13 middle point vertical axis A1 on set new body of heater and build place P2.

Build on the P2 of place at new body of heater, carry out new body of heater described later and build operation S2 (with reference to Fig. 1), the upper surface on new basis 23 builds the new blast furnace 20 comprising new body of heater 21 and new body of heater pylon 22.The axis A2 vertically extended in the mid-way arranging the axis A1 of place P1 from the new body of heater structure place P2 of connection and blast furnace sets old body of heater and disassembles place P3.

In the present embodiment, as shown in Figure 1, be arranged under the state that the blast furnace old blast furnace 10 arranged on the P1 of place is in running (old blast furnace running operation S1), build on the P2 of place at new body of heater, start to carry out new body of heater and build operation S2, new basis 23 builds the new body of heater 21 and new body of heater pylon 22 that form new blast furnace 20.

In addition, in the present embodiment, the heat size of new body of heater 21 is extended compared to the heat size of old body of heater 11.Therefore, the span of new body of heater pylon 22 is also extended compared to the span of old body of heater pylon 12.

Building in operation S2 at new body of heater, on the new blast furnace 20 that new basis 23 builds, except as except the new body of heater 21 of basic structure and new body of heater pylon 22, the auxiliary facility such as the machinery equipment for controlling, distribution pipe arrangement being also installed.By improving the installation rate in this operation, thus the operation needed for preparation work of the new body of heater immigration operation S6 to new blast furnace running operation S7 that place P1 implements being set at blast furnace after can reducing, promoting the shortening of duration.

In addition, at blast furnace, place P1 is set, under old blast furnace running operation S1 is in ongoing state, practice processes segmentation process S3, that is, the field basic 13 of the old blast furnace 10 in running is split top 14 and basic infrastructure 15 (with reference to Fig. 5) based on (cutting).

After based fragmentation completes, in old blast furnace 10, implement blowing out operation S4, afterwards, implement old body of heater and shift out operation S5, be transported to old body of heater disassemble place P3 by being placed with the old blast furnace 10 comprising old body of heater 11 and old body of heater pylon 12.

As shown in Figure 3, shift out in operation S5 at old body of heater, shift out the basic top 14 of placing blast furnace 10 of haveing been friends in the past along axis A1 direction, afterwards, change direction, this basic top 14 is moved along axis A2 direction, is moved to old body of heater and disassembles place P3.During this period, proceed new body of heater and build operation S2.

After old body of heater shifts out operation S5, implement new body of heater and move into operation S6, make to build at new body of heater to placed new basic 23 of new blast furnace 20 in operation S2 and move along axis A1 direction, be moved into basic top 14 and old blast furnace 10 by the basic infrastructure 15 after removing.

When being moved on basic infrastructure 15 by new blast furnace 20, the operations such as distribution piping are implemented, to complete the structure of new blast furnace 20 to the new body of heater 21 of new blast furnace 20 and new body of heater pylon 22.Then, carry out blast furnace ignition, utilize new blast furnace 20 to start to carry out new blast furnace running operation S7.

Disassemble place P3 at old body of heater to carry out old body of heater disassemble operation S8 to shifting out basic top 14 that operation shifts out and old blast furnace 10 at old body of heater, disassemble in order.Now, new blast furnace running operation S7 arranges place P1 at blast furnace and comes into effect, and thus, old body of heater is disassembled operation S8 and can be separated with the running of blast furnace and independently implement, and progressively can carry out according to arbitrary schedule.

Below, shift out operation S5 and new body of heater to the based fragmentation operation S3 of present embodiment, old body of heater to move into operation S6 and be described in detail.

[based fragmentation operation S3]

Fig. 5 ~ Fig. 8 represents the based fragmentation operation S3 of present embodiment in detail.

As shown in Figure 5, in based fragmentation operation S3, cut in the horizontal direction at height L1 place and be arranged on blast furnace field basic 13 on the P1 of place is set, be divided into basic top 14 and basic infrastructure 15.

At the scene basis 13 builds blast furnace 10 (having old body of heater 11 and old body of heater pylon 12) of haveing been friends in the past, divided basic top 14 out can be moved in the horizontal direction with being structured in together with the old blast furnace 10 on its upper surface, and basic infrastructure 15 is retained in the mode being fixed on blast furnace and arranging on the P1 of place.

Cutting in based fragmentation operation S3 can be carried out in accordance with the following steps: first, at the scene basis 13 plane on, set the cutting zone of multiple strip along above-mentioned axis A1 extension, utilize scroll saw to carry out cutting operation in the horizontal direction to each cutting zone in order, also can utilize the cutting that the step recorded in above-mentioned patent documentation 2 is come in practice processes segmentation process S3.

As shown in Figure 6, for the cutting zone of the side surface (being positioned at the side surface of side or the side surface of opposite side that build place P2 towards new body of heater) of field basic 13, in the position of each boundary (B1, B2), drilling machine is utilized to hole, to form the through hole 91 running through field basic 13 along axis A1 direction.Then, the guide members such as H profile steel 92 are set in through hole 91, scroll saw 93 are remained on the upper flange of this guide member 92 and the At The Height of lower flange.

Scroll saw 93 is such as mounted in the mode in 2 through holes 91 of the position through boundary B1, B2, thus can cut the material (forming the brick of field basic 13) being clamped in the cutting zone T2 of boundary between B1, B2 in the horizontal direction.

Carry out such a horizontal resection by 2 positions, place up and down of the inside at through hole 91, make, at this cutting zone T2, field basic 13 is split into basic top 14 and basic infrastructure 15.Further, between basic top 14 and basic infrastructure 15, the vestige after the material removing cut specific thickness is formed with cavity 94.

In addition, even if be formed with cavity 94 at cutting zone T2, the connection of adjacent cutting zone T1, T3 is not cut off, and therefore, has still maintained predetermined distance between basic top 14 and basic infrastructure 15.

As shown in Figure 7, after cavity 94 is formed, fixation side sliding panel 81, mobile Slideslip plate 82 and bag-shaped fixing part (highpackanchor) 95 are set in this cavity 94.

Fixation side sliding panel 81 is laid on the bottom surface in cavity 94, i.e. on the upper surface of basic infrastructure 15.The Stainless Steel Alloy that frictional coefficient is lower etc. is adopted to form fixation side sliding panel 81.

Mobile Slideslip plate 82 is arranged on the upper surface of fixation side sliding panel 81.Mobile Slideslip plate 82 with fixation side sliding panel 81 surface in opposite directions on be equipped with the low frictional properties liner 83 comprising solid lubricant.

As the low frictional properties liner 83 of solid lubrication formula lubricating component, the parts formed by making the fines such as solid lubricant, such as tetrafluoroethylene resin (PTFE), molybdenumdisulphide, graphite glue on a surface of a substrate can be used.

Wherein, the parts (coefficientoffrictionμ=about 0.06) preferably by utilizing epoxy resin, polyimide resin etc., tetrafluoroethylene resin being bonded at securely the surface of metal sheet is formed, such as, can use " skin of Nippon Pillar Industry Co., Ltd draws and fluoridizes golden PLLARANo.4801 " that market is sold.

Bag-shaped fixing part 95 in strip, and has the length equal with the length of mobile Slideslip plate 82, and it is the solid pliability bag woven by aramid fiber resin fibre etc., is configured on the upper surface of mobile Slideslip plate 82.Further, by grouting such as the inside filling concrete slurries at bag-shaped fixing part 95, with the state that contacts of end face, the i.e. base pressure on basic top 14 making this bag-shaped fixing part 95 be in its upper surface and cavity 94.

Grout cures in this condition, thus, by bag-shaped fixing part 95 supporting base top 14, that is, the load on basic top 14 can be passed to basic infrastructure 15 by bag-shaped fixing part 95, mobile Slideslip plate 82 and fixation side sliding panel 81.

With reference to Fig. 6, at cutting zone T2, when basic top 14 is in the state supported by basic infrastructure 15 by bag-shaped fixing part 95, then adjacent cutting zone T3, T1 are cut.

In based fragmentation operation S3, carry out above-mentioned shown operation at each cutting zone in order, thus cutting zones the most all, i.e. whole field basic 13 are divided into basic top 14 and basic infrastructure 15.

In addition, mobile Slideslip plate 82 between basic top 14 and basic infrastructure 15 is arranged on and fixation side sliding panel 81 is formed in the part that old body of heater described later shifts out the Handling device utilized in operation S5.

[old body of heater shifts out shifting out of utilizing in operation S5 and uses Handling device 30]

In based fragmentation operation S3, also carry out shifting out at ensuing old body of heater the setting of shifting out with Handling device 30 utilized in operation S5.

In fig. 8, shift out and have to perform old body of heater and shifting out the shifting out operation of operation S5 with Handling device 30: shift out with stand 31, it can be mobile along axis A1 (with reference to Fig. 3) near field basic 13; Branch road movable stand 32, it is mobile along axis A2 (with reference to Fig. 3) from the midway of shifting out by the mobile passage portion of stand 31.

Shifting out with stand 31 is the smooth stand formed by steelframe etc., shifts out and is provided with slide construction portion 42 at this with between the lower surface of stand 31 and ground.Shifting out and be set at sustained height with the upper surface of stand 31 and the upper surface of basic infrastructure 15, with the upper surface of stand 31, the upper surface of basic infrastructure 15 being provided with the slide construction portion 41 formed continuously from shifting out.The slipping plane height in slide construction portion 41 is set at height L1, and the slipping plane height in slide construction portion 42 is set at height L2.

Branch road movable stand 32 is the flat stand formed by steelframe etc., its be arranged on be arranged at ground along axis A2 direction extend recess 33 in.One end of recess 33 is configured in and connects blast furnace and arrange place P1 and new body of heater builds in the passage portion of place P2, and the other end of recess 33 is configured in old body of heater and disassembles on the P3 of place.

Slide construction portion 43 is provided with between the bottom surface of recess 33 and the lower surface of branch road movable stand 32.The slipping plane height in slide construction portion 43 is set at height L3.

In addition, the upper surface of branch road movable stand 32 and ground are set at sustained height.The major part in above-mentioned slide construction portion 42 is arranged on the ground, but some is arranged on the upper surface of branch road movable stand 32.

In fig .9, be arranged on to shift out and form with the fixation side sliding panel as shown in Figure 7 of the slide construction portion 41 on the upper surface of stand 31 81 and the mobile Slideslip plate 82 that is equipped with low frictional properties liner 83.

The fixation side sliding panel 81 in slide construction portion 41 is set to the upper surface shifted out with stand 31 continuously from the upper surface of basic infrastructure 15.The mobile Slideslip plate 82 in slide construction portion 41 is arranged on the lower surface on basic top 14, and slides relative to the fixation side sliding panel 81 in slide construction portion 41.

Adopt such a slide construction portion 41, basic top 14 can be shifted out along the slipping plane level at height L1 place, place it on the upper surface that shifts out with stand 31.

In Figure 10 and Figure 12, identical with above-mentioned slide construction portion 41, make to shift out the slide construction portion 42 fixation side sliding panel 81 as shown in Figure 7 that can slide with stand 31 (with reference to Fig. 8) and form with the mobile Slideslip plate 82 being equipped with low frictional properties liner 83.

The fixation side sliding panel 81 in slide construction portion 42 is set to the upper surface of branch road movable stand 32 continuously near basic infrastructure 15.The mobile Slideslip plate 82 in slide construction portion 42 is arranged on the lower surface shifted out with stand 31, and slides relative to the fixation side sliding panel 81 in slide construction portion 42.

Adopt such a slide construction portion 42, can along the slipping plane level at height L2 place shift out be placed with basic top 14 shift out with stand 31, place it on the upper surface of branch road movable stand 32.

In Figure 11 and Figure 12, identical with above-mentioned slide construction portion 41, the slide construction portion 43 that branch road movable stand 32 can be slided fixation side sliding panel 81 is as shown in Figure 7 formed with the mobile Slideslip plate 82 being equipped with low frictional properties liner 83.

The fixation side sliding panel 81 in slide construction portion 43 is set to the other end of recess 33 continuously from one end of recess 33.The mobile Slideslip plate 82 in slide construction portion 43 is arranged on the lower surface of branch road movable stand 32, and slides relative to the fixation side sliding panel 81 in slide construction portion 43.

Adopt such a slide construction portion 43, can shift out being placed with basic top 14 and shifting out by branch road movable stand 32 level of stand 31 along the slipping plane at height L2 place, be transported to old body of heater short-term loan at daily interest place P3.

[reinforcing to arranging the ground of shifting out with Handling device 30]

Shifting out with in Handling device 30 (with reference to Fig. 8), slide construction portion 42 arranges on the ground, and slide construction portion 43 is arranged on the bottom surface of recess 33.Ground improvement etc. is carried out to the ground and bottom surface that are provided with these slide construction portions 42,43, there is to make this ground and bottom surface enough rigidity of the so large load of the body of heater that can bear blast furnace respectively.Moreover, this ground and bottom surface are provided with the reinforcing steel 34 (with reference to Figure 12) bearing slide construction portion 42,43.

In fig. 12, the ground being provided with slide construction portion 42 is buried underground the reinforcing steel 34 that the upper surfaces such as H profile steel are smooth, the upper surface of these reinforcing steel 34 is provided with the guide rail 96 for adjusting height using the steel plate of strip, and the fixation side sliding panel 81 in slide construction portion 42 is in height L2 by the supporting of the upper surface of this guide rail 96.By suitably installing pad between guide rail 96 and reinforcing steel 34, to adjust guide rail 96, make the straight line extension along its length of this guide rail 96, and make the upper surface of all guide rails 96 arranged in parallel be in height L2.

In addition, the bottom surface of the recess 33 being provided with slide construction portion 43 is provided with identical reinforcing steel 34 and guide rail 96, is supported the fixation side sliding panel 81 in slide construction portion 43 by these reinforcing steel 34 and guide rail 96, make it to be in height L3.

In addition, slide construction portion 42 is set to the upper surface of branch road movable stand 32 continuously from the ground contacted with the side surface of basic infrastructure 15.But, when utilizing slide construction portion 43 to make branch road movable stand 32 move, fixation side sliding panel 81 at the marginal position place of branch road movable stand 32 to slide construction portion 42 cuts (dotted portion of Figure 12), makes it to be separated with the slide construction portion 42 be positioned at outside recess 33 on stand-down.

[shifting out the guide structure 50 with Handling device 30]

Shifting out with in Handling device 30 (with reference to Fig. 8), being provided with guide structure 50 in shifting out in the respective slide construction portion 42,43 with stand 31 and branch road movable stand 32.

As shown in figure 13, be embedded with above-mentioned reinforcing steel 34 on the ground, these reinforcing steel 34 be supported with and shift out with stand 31.Slide construction portion 42 is provided with between the upper surface and the lower surface shifting out with stand 31 of reinforcing steel 34.

As shown in figure 14, be formed with guiding groove 51 in the central authorities in above-mentioned slide construction portion 42, this guiding groove 51 linearly extends continuously along the length direction (the axis A1 direction shown in Fig. 2) in slide construction portion 42.

Guiding groove 51 has the degree of depth (being formed in slide construction portion 42 with reinforcing steel 34, from slide construction portion 42 deeply to reinforcing steel 34) from slide construction portion 42 to reinforcing steel 34.In addition, shifting out the guide block 52 being provided with the steel that can be housed in guiding groove 51 with the lower surface of stand 31.

The cross-sectional shape of guide block 52 and guiding groove 51 is respectively the rectangular and shape of bottom semicircular in shape in top, between guide block 52 and guiding groove 51, be formed with the specified gap needed for slip along both outline shapes.In addition, cross-sectional shape also can be other shapes.

As shown in figure 15, guide block 52 is fixed with shifting out on 2 positions, place with the front side on the travel direction of the lower surface of stand 31 and rear side.

When utilizing guide structure 50, by the guide block 52 at 2 places is engaged with the guiding groove 51 linearly extended continuously, with make to shift out with stand 31 towards maintaining on axis A1 direction exactly, wherein, this axis A1 direction is the carrying direction in continuous bearing of trend, i.e. the slide construction portion 42 of guiding groove 51.And, when shifting out with stand 31 along the driving of this carrying direction, in moving process, also maintain guide block 52 and the fastening state of guiding groove 51, thus can limit to shift out and move along correct carrying direction with stand 31, to be transported to desired target location exactly.

Such as, move with stand 31 even if make due to some reason to shift out outside the carrying direction of regulation, owing to being applied to, to shift out by the normal load of stand 31 be the weight of whole blast furnace, and thus guide block 52 can not be crossed the step of guiding groove 51 and deviate from laterally.Therefore, guide block 52 can be maintained in guiding groove 51, proceeds to guide, can not curve movement with stand 31 to make to shift out, and can only move along the carrying direction of regulation.

[old body of heater shifts out the carrying in operation S5]

Shift out in operation S5 at old body of heater, utilize above-mentioned shift out with Handling device 30 in order (successively) carry out the 1st time following carrying operation, the 2nd carrying operation and the 3rd carrying operation, disassemble place P3 so that the old blast furnace 10 being positioned at blast furnace and arranging place P1 is transported to old body of heater.

In the 1st carrying operation, as shown in figure 16, basic top 14 is driven along axis A1 direction (with reference to Fig. 3), slided in the slide construction portion 41 being in height L1, thus basic top 14 and the old blast furnace 10 that on this basis portion 14 builds are shifted out from the upper surface of basic infrastructure 15 together, move on the upper surface that shifts out with stand 31.

In the 2nd carrying operation, as shown in figure 17, driving along axis A1 direction (with reference to Fig. 3) shifts out with stand 31, the slide construction portion 42 being in height L2 is produced slide, with by shifting out with stand 31 and being placed on this and shifting out and shift out together with old blast furnace 10 with the basic top 14 on stand 31, move on the upper surface of branch road movable stand 32.

In the 3rd carrying operation, branch road movable stand 32 is driven along axis A2 direction (with reference to Fig. 3), the slide construction portion 43 being in height L3 is produced slide, with by branch road movable stand 32 and be placed on shifting out on this branch road movable stand 32 and shift out together with old blast furnace 10 with stand 31, basic top 14, move to old body of heater and disassemble place P3 (with reference to Fig. 3).

By carrying out the 1st time above-mentioned carrying operation, the 2nd carrying operation and the 3rd carrying operation in order, the old blast furnace 10 being positioned at blast furnace and arranging place P1 can be transported to old blast furnace and disassemble place P3, thus the old body of heater shown in Fig. 3 can be completed shift out operation S5.

Can adopt along any one mode the working direction in the past mode of side-lining and the mode that promotes along working direction from rear side to drive the basic top 14 in the 1st ~ 3rd time above-mentioned carrying operation, to shift out use stand 31 and branch road movable stand 32, but, such as preferred following such tractive manner.

As an example, following structure can be utilized: in the 1st carrying operation, when basic top 14 is moved together with old blast furnace 10, basic top 14 connects steel wire, build P2 side, place with winch from new body of heater and draw.Other drive sources beyond the hydraulic efficiency jacks such as punching lifting-jack can be used to draw.

Now, due to as traction towards new body of heater build the new blast furnace 20 place P2 being provided with new basis 23 and building on new basic 23 at this, thus, the steel wire of traction is inserted in the gap of the framework on new basis 23, or the both sides building place P2 from new body of heater are drawn, to avoid new basis 23.

Figure 18 and Figure 19 represents a concrete example of towing mechanism.

Towing mechanism 70 has 4 punching lifting-jacks 71, these 4 punching lifting-jacks 71 are arranged on the ground near new body of heater structure place P2, and the steel wire 72 drawn by each punching lifting-jack 71 extends to field basic 13 along as the axis A1 direction of shifting out carrying direction.

The basic top 14 on basis 13 is at the scene formed with the through hole of two side surfaces running through this basic top 14 along axis A1 direction, and steel wire 72 is moved out of from the side surface building place P2 opposite side with new body of heater that is positioned on basic top 14 through this through hole.Be inserted with reactive force bearing part 73 on the top of the steel wire 72 be moved out of, this reactive force bearing part 73 is securely fixed in the top of the steel wire 72 be moved out of.

In such a towing mechanism 70, each steel wire 72 is drawn under the state making 4 punching lifting-jacks 71 synchronous, to apply the tractive force in horizontal direction to basic top 14, make this basic top 14 relative to basic infrastructure 15, change in location occur by support unit 35, thus carry out the 1st time above-mentioned carrying operation.

In addition, due to basic top 14 and be positioned at the old body of heater 11 on this basic top 14, old body of heater pylon 12 weight larger, thus, also be huge by the tractive force that steel wire 72 applies, but, owing to utilizing reactive force bearing part 73 to contact with the side surface pressure on basic top 14 in larger areal extent, the problem making due to load centralization to produce slight crack etc. around the through hole on basic top 14 thus can not be there is.

Such a towing mechanism 70 is also used to the 2nd time and the 3rd carrying operation.

In the 2nd carrying operation, as shown in figure 18, as with to carry for the 1st time operate in the identical towing mechanism 70 of the towing mechanism that uses, punching lifting-jack 71 is arranged on the ground near new body of heater structure place P2, and by reactive force bearing part 73 steel wire 72 extended along axis A1 direction drawn by this towing mechanism 70 is connected to and shifts out with on stand 31, this steel wire 72 is drawn.

In the 3rd carrying operation, as with to carry for the 1st time operate in the identical towing mechanism 70 of the towing mechanism that uses, punching lifting-jack 71 is arranged on ground that old body of heater disassembles near the P3 of place, and by reactive force bearing part 73, the steel wire 72 extended along axis A2 direction drawn by this towing mechanism 70 is connected on branch road movable stand 32, this steel wire 72 is drawn, here, this diagram is omitted.

[new body of heater moves into the preparation in operation S6]

In the diagram, old blast furnace 10 shifts out operation S5 by above-mentioned old body of heater and arranges place P1 from blast furnace and be moved to old body of heater and disassemble place P3.Then, move into operation S6 by new body of heater, be transported to old blast furnace 10 by the basic infrastructure 15 of the field basic 13 after removing by building new blast furnace 20 that place P2 builds at new body of heater.

In fig. 20, the stage that operation S5 completes is shifted out at old body of heater, as the residue shifted out with Handling device 30, under the foundation portion 15 remains the part (the fixation side sliding panel 81 shown in Fig. 7) in slide construction portion 41, the ground under the foundation between portion 15 and recess 33 remains the part (the fixation side sliding panel 81 shown in Fig. 7) in slide construction portion 42.In addition, the part (the fixation side sliding panel 81 shown in Fig. 7) in slide construction portion 43 is remained in the recess 33 at the vestige place stayed after branch road movable stand 32 moves.

So, as the preparation work moving into operation S6 for performing new body of heater, carry out above-mentioned shifting out removing with the residue of Handling device 30, and, carry out the setting (that is, arrange, assemble Handling device 39) moving into the immigration Handling device 39 of the carrying operation in operation S6 for new body of heater.

As shown in figure 21, immigration Handling device 39 has: immigration stand 38, the new basis 23 of its supporting; Slide construction portion 44, its below from immigration stand 38 is set to basic infrastructure 15 nearby continuously; Slide construction portion 45, it is arranged on immigration stand 38 and the new lower surface support of basic 23; Slide construction portion 46, it is arranged on the upper surface of basic infrastructure 15.

These slide construction portions 44,45,46 have the structure identical with above-mentioned slide construction portion 41 ~ 43 respectively, namely, have the fixation side sliding panel 81 shown in Fig. 7, mobile Slideslip plate 82 and low frictional properties liner 83, these slide construction portions 44,45,46 extend continuously along axis A1 direction (with reference to Fig. 4) respectively.

Between the lower surface that slide construction portion 44 is arranged at immigration stand 38 and ground, the ground fixation side Part that is arranged in this slide construction portion 44 is set to basic infrastructure 15 nearby continuously.

In the midway in slide construction portion 44, be provided with recess 33 as described above.So, support unit 35 is set in this recess 33, with the slide construction portion 45 of entirety supporting across recess 33.

Slide construction portion 44 can continue to use the part in the ground slide construction portion 42 remained between basic infrastructure 15 and recessed 33.

The slide construction portion 44 be positioned at below immigration stand 38 constructs in advance when being arranged on immigration stand 38 setting.

By such a slide construction portion 44, immigration stand 38 can build place P2 from new body of heater with new basic 23 on the upper surface being placed on this immigration stand 38 and be moved horizontally to blast furnace and arrange place P1 nearby together with new blast furnace 20.

The height of the slipping plane in slide construction portion 44 is identical with the height of the slipping plane in slide construction portion 42, is set at height L2 equally.But, when not continuing to use slide construction portion 42 a part of, the height of the slipping plane in the height of the slipping plane in slide construction portion 44 and slide construction portion 42 can be set in different heights (horizontal plane).

Identical with above-mentioned slide construction portion 42, be arranged on ground part place in slide construction portion 44, utilize reinforcing steel 34 to carry out ground reinforcing (with reference to Figure 12).But, when continuing to use slide construction portion 42 a part of, the ground ruggedized construction utilizing reinforcing steel 34 to complete directly can be used.

When new basis 23 is arranged on immigration stand 38, between the lower surface in advance slide construction portion 45 being arranged on new basis 23 and immigration stand 38.

By such a slide construction portion 45, new basis 23 can move horizontally relative to immigration stand 38.

The height of the slipping plane in slide construction portion 45 is in height L4.Height L4 is higher than the height L1 residing for above-mentioned slide construction portion 41.

Slide construction portion 46 is made up of the mobile side part (newly basic 23 sides) in the fixation side part on the upper surface being arranged on basic infrastructure 15 and above-mentioned slide construction portion 45.

Under the state that immigration is adjacent with basic infrastructure 15 with stand 38, new basis 23 is moved horizontally relative to immigration stand 38 by slide construction portion 45,46, is placed on the upper surface of basic infrastructure 15, after can be described in detail to this.

In order to carry out above-mentioned mobile placement like this, the height of the slipping plane in slide construction portion 46 is in the height L4 identical with slide construction portion 45.

Further, being in height L4 in order to ensure slide construction portion 46, the upper surface in portion 15 being under the foundation provided with the reparation basis 26 for supporting slide construction portion 46.

In fig. 22, on the upper surface of the basic infrastructure 15 on basis 13 at the scene, old body of heater shifts out the moment that operation S5 completes, and to remain in based fragmentation operation S3 the fixation side sliding panel 81 (with reference to Fig. 7) in set slide construction portion 41.So, remove the fixation side sliding panel 81 in this slide construction portion 41.Moreover the upper surface of the basic infrastructure 15 exposed after the fixation side sliding panel 81 removing slide construction portion 41 is the surface formed by scroll saw horizontal resection in based fragmentation operation S3, inevitably leaves concavo-convex.So, in the scope of specific thickness, excision operation is carried out to the upper surface of basic infrastructure 15, makes the upper surface of basic infrastructure 15 become level and smooth.

The upper surface becoming level and smooth basic infrastructure 15 is provided with and repairs basis 26.

Repair basis 26 to have: cushion block 84, it is arranged on the upper surface of basic infrastructure 15; Backing plate 85, it is placed on cushion block 84; Foundation grouting 86, it is filled in cushion block 84 around, and solidifies.The upper surface of backing plate 85 is provided with the guide rail 96 for adjusting height, and this guide rail 96 is identical with the guide rail on the above-mentioned upper surface being arranged on the reinforcing steel 34 for reinforcing ground, and the upper surface of this guide rail 96 is provided with slide construction portion 46.

Cushion block 84 supports the fixation side sliding panel 81 in slide construction portion 46 by backing plate 85 and guide rail 96, and this cushion block 84 separates predetermined distance along the continuous bearing of trend of fixation side sliding panel 81 and is arranged on the upper surface in portion 15 under the foundation.Cushion block 84 can the weight of supporting and fixing Slideslip plate 81, but operator can make cushion block 84 deform thus adjust, and is in height L4 to make the slipping plane of fixation side sliding panel 81.

As long as can supporting and fixing Slideslip plate 81 weight, can to deform and through certain hour or the parts that solidify just can as above-mentioned such cushion block 84 by the process of regulation from arranging in the stage of setting, such as, the grouting that viscosity is higher or thermoset synthetic resin material etc. can be used.

The baffle plate that backing plate 85 is pad (shim), be namely made up of steel plate, by increase and decrease backing plate 85 quantity, by the height control of guide rail 96 to specified altitude, thus makes the upper surface of fixation side sliding panel 81, i.e. slipping plane be in highly L4.

Foundation grouting 86 is concrete etc., is filled into around cushion block 84 after the height control of fixation side port ons side 81 is good.The height that the side surface that foundation grouting 86 is filled into guide rail 96 from the upper surface of basic infrastructure 15 is capped, keeps the state that the upper surface side of guide rail 96 and fixation side sliding panel 81 expose.

By the solidification of foundation grouting 86, repair basis 26 and complete, utilize this reparation basis 26, be fixed the height control operation of Slideslip plate 81 in advance, thus be in the state that slipping plane can be made to be in height L4.

In fig. 22, as mentioned above, supported by reparation basis 26, height L4 is in the slipping plane of the fixation side sliding panel 81 making slide construction portion 46, be placed on this fixation side sliding panel 81 by new basis 23 is moved, make, as the part in slide construction portion 45, the mobile Slideslip plate 82 being positioned at the lower surface on new basis 23 that arranges is by laying low frictional properties liner 83 in its surface and fixation side sliding panel 81 sliding contact be positioned on the upper surface of basic infrastructure 15, thus makes this fixation side sliding panel 81 play the effect in slide construction portion 46.

In figure 21, utilize above-mentioned slide construction portion 44,45,46 that new basis 23 and new blast furnace 20 can be made in order to move, be moved on basic infrastructure 15, thus form immigration Handling device 39.

In addition, in immigration with in Handling device 39, slide construction portion 44,45,46 is adjusted respectively accurately, realizes often moving 1m lateral error (displacement error in horizontal direction) at below 3mm.

In addition, in immigration with in Handling device 39, the fixation side part in slide construction portion 44,45,46 and new basis 23 and moves between use stand 38, be respectively arranged with and shift out with the identical guide structure 50 of Handling device, thus the posture in handling process can be made to keep stable, and new blast furnace 20 can be moved to the accurate location on basic infrastructure 15.

[new body of heater moves into the carrying in operation S6]

In new body of heater immigration operation S6, utilize above-mentioned immigration Handling device 39, carry out the 1st time following carrying operation and the 2nd carrying operation in order, place P1 is set so that the new blast furnace 20 being positioned at new body of heater structure place P2 is transported to blast furnace.

In the 1st carrying operation, as shown in figure 23, drive along axis A1 direction (with reference to Fig. 3) and be positioned at the immigration stand 38 that new body of heater builds place P2, slided in the slide construction portion 44 being in height L2, thus new blast furnace 20, new basis 23 and immigration stand 38 are moved horizontally, build place P2 from new body of heater and be moved to and basic infrastructure 15 adjoining position.

In the 2nd carrying operation, as shown in figure 24, be positioned on the immigration stand 38 adjacent with basic infrastructure 15 new basic 23 are driven along axis A1 direction (with reference to Fig. 3), slided in the slide construction portion 45 being in height L4, thus new blast furnace 20 is moved horizontally together with new basis 23, carry to the slide construction portion 46 being in equal height L4 lentamente, afterwards, this slide construction portion 46 is utilized new blast furnace 20 and new basis 23 to be transported on the upper surface on the reparation basis 26 be arranged at basic infrastructure 15 from the upper surface of immigration stand 38.

Thus, new basis 23 and new blast furnace 20 are arranged on basic infrastructure 15, complete new blast furnace 20 arranges carrying from place P1 to blast furnace.

In addition, in the 1st time and the 2nd carrying operation, utilize traction or the mode that promotes to drive immigration stand 38 and new basis 23, also can utilize the structure identical with shifting out the towing mechanism 70 (reference Figure 18 with Figure 19) that uses in operation S5 at above-mentioned old body of heater.

In addition, before beginning new blast furnace running operation S7, reliably fix and be moved into new basic 23 and the reparation basis 26 that blast furnace arranges place P1.Such as, between new basis 23 and reparation basis 26, move into the higher mortar of mobility, make it solidification, being fixed.Fix like this during the connection etc. that the surrounding that also can simultaneously carry out new blast furnace 20 is at short notice arranged.

[effect of the 1st embodiment]

Adopt above-mentioned present embodiment can obtain following effect.

Build in operation S2 at new body of heater, under the state (old blast furnace running operation S1) that old blast furnace 10 is in running, place P2 can built from the new body of heater that blast furnace arranges place P1 different, on new basis 23, build the new body of heater 21 and new body of heater pylon 22 that form new blast furnace 20.Then, after blowing out operation S4 is implemented to old blast furnace 10, implement old body of heater and shift out operation S5 and new body of heater immigration operation S6, so that basic top 14 and old blast furnace 10 (old body of heater 11 and old body of heater pylon 12) can be removed from field basic 13, change together with new blast furnace 20 with previously built new basic 23.Afterwards, can make new blast furnace 20 operate (new blast furnace running operation S7) state under, disassemble place P3 at other old body of heater and old blast furnace 10 suitably disassembled.

Therefore, present embodiment is utilized the overhaul duration of blast furnace can be shortened to about 50 ~ 70 days.

In addition, owing to being not only carry out the replacing between old body of heater 11 and new body of heater 21, also carry out the replacing between basic top 14 and new basis 23 and the replacing between old body of heater pylon 12 and new body of heater pylon 22 therewith, thus, the equipment (various equipment and distribution piping etc.) be arranged between old body of heater 11 and old body of heater pylon 12 can be moved out of under direct mounted state outside basis.Moreover, can build at new body of heater the equipment installed in advance in operation S2 and will be arranged between new body of heater 21 and new body of heater pylon 22, be moved on basis together afterwards, thus can the reduction of erection time.

Further, in the present embodiment, due to carry out old body of heater 11 and new body of heater 21 replacing while, old body of heater pylon 12 is replaced by new body of heater pylon 22, thus, even if when wanting the heat size expanding new body of heater, the restriction of the size of old body of heater pylon 12 also can not be subject to.

That is, even if adopt the new body of heater 21 having and receive the size filling not enter in old body of heater pylon 12, also can building the new body of heater pylon 22 that body of heater 21 new for this is corresponding in advance, also greatly can improve degree of freedom when expanding heat size.

In addition, move in operation S6 at new body of heater, carry together due under the state that stably can be supported by body of heater pylon 22 at the new body of heater 21 that will carry, thus can carry out this operation safely.

In the present embodiment, utilize immigration Handling device 39 to carry out new body of heater and move into carrying in operation S6, that is, basic infrastructure 15 carrying arranging place P1 to blast furnace is positioned at new basic 23 and the new blast furnace 20 that new body of heater builds place P2.

Now, by making the linearly configuration of immigration Handling device 39, thus carrying under can driving with the inferior limit not changing direction etc., reducing new body of heater 21 on new basis 23 and new body of heater pylon 22 and to deform the possibility waited, realizing safety and carry.

In the present embodiment, at immigration Handling device 39, slide construction portion 44,45,46 is respectively by as the longer fixation side sliding panel 81 of fixation side part (downside) distance, as the shorter mobile Slideslip plate 82 of mobile side partial distance and make the lower Stainless Steel Alloy etc. of both frictional coefficient be formed, and, owing to having laid the low frictional properties liner 83 comprising solid lubricant on mobile Slideslip plate 82, thus significantly can reduce this and move the frictional coefficient of Slideslip plate 82 relative to fixation side sliding panel 81.Therefore, even if the weight comprising the new blast furnace 20 of new basic 23, new the body of heater 21 and new body of heater pylon 22 that will carry exceedes such as 8000 tons, also can successfully carry.

In immigration with in Handling device 39, slide construction portion 44,45,46 is adjusted respectively accurately, realizes often moving 1m lateral error at below 3mm.Therefore, it is possible to suppress the new body of heater 21 on new basis 23 and new body of heater pylon 22 to produce distortion etc. fully, realize high-precision safety carrying.

In immigration with in Handling device 39, fixation side part in slide construction portion 44,45,46 forms guiding groove 51, as new basic 23 of mobile side part and the lower surface of immigration stand 38, guide block 52 is being set, this guiding groove 51 and guide block 52 are engaged, thus, simple guide structure 50 can be formed, skew can not be there is guide under the large weight effect of new blast furnace 20, the posture in handling process is made to keep stable, further, new blast furnace 20 can be moved to the accurate location on basic infrastructure 15.

In immigration with in Handling device 39, the moving horizontally along height L4 moving horizontally and utilize the slide construction portion 45,46 from the upper surface of immigration stand 38 to the upper surface of basic infrastructure 15 to carry out that the immigration stand 38 being in height L2 by utilizing slide construction portion 44 to make carries out, carry new blast furnace 20 and new basis 23, thus, new blast furnace 20 and new basis 23 need not be made to carry out up-and-down movement etc., thus can correspondingly shorten the overhaul duration.

In the present embodiment, utilize to shift out and can carry out old body of heater with Handling device 30 and shift out carrying in operation S5, that is, disassemble place P3 to old body of heater and carry and be positioned at basic top 14 and the old blast furnace 10 that blast furnace arranges place P3.

Now, shifting out by the passage portion of Handling device 30 is change nyctitropic L-type passage portion (having the passage portion of turning round) in midway, make, especially this shifts out a part for the passage portion with Handling device 30, that is, overlapping with the passage portion of immigration Handling device 39 to the part of recess 33 near field basic 13, thus, can sharing as bearing large load and ground that is refitted, that reinforce, and can effectively apply flexibly this ground.

That is, in order to bear the load of huge new basic 23, new body of heater 21 and new body of heater pylon 22, reinforce fully arranging the ground moving into carrying passage portion.Shifting out in carrying passage portion, in order to bear the load of basic top 14, old body of heater 11 and old body of heater pylon 22, also needing to reinforce ground, will shifting out carrying passage portion with moving into and carry passage portion local and share, and the reinforcing of whole ground can be reduced and operate.

Shift out and share with the passage portion of Handling device 30 and the passage portion local of immigration Handling device 39 (axis A1 direction), and, this shifts out and extends to crossing direction (axis A2 direction) in midway by the passage portion of Handling device 30, thus, old body of heater can be set in the place being different from new body of heater structure place P2 and disassemble place P3, avoid operation field to interfere with each other.

In addition, because old body of heater 11 and old body of heater pylon 12 are disassembled after shifting out, thus, also can not produce any problem even if to deform etc., change direction also can not produce what problem with Handling device 30 in midway even if shift out.

Especially, when shifting out use Handling device 30 from axis A1 direction to axis A2 direction transformation, by by shifting out to be placed on stand 31 and realize direction transformation along on the branch road movable stand 32 of axis A2 direction movement along axis A1 direction movement, thus, there is no need for the special mechanism etc. of direction transformation, can reliably operate smoothly.

In addition, the axis A1 direction of branch road movable stand 32 movement forms recess 33, can move lower than the height L3 shifted out with the height L2 of stand 31 movement to make branch road movable stand 32, thus, hoisting appliance or other special devices need not be used, just can realize for will the structure be placed on stand 31 on branch road movable stand 32 be shifted out.

Moreover, by utilizing from the upper surface of basic infrastructure 15 to shifting out with the slide construction portion 41 of the upper surface of stand 31 the moving horizontally of height L1, utilizing slide construction portion 42 to make to shift out and make branch road movable stand 32 moving horizontally at height L3 with stand 31 in the slide construction portion 43 that moves horizontally and utilize of height L2, carry old blast furnace 10 and basic top 14, thus, old blast furnace 10 and basic top 14 need not be made to carry out up-and-down movement etc., just stably and accurately can carry out old body of heater and shift out carrying in operation S5.

In the present embodiment, shifting out with in Handling device 30, slide construction portion 41,42,43 is respectively by as the longer fixation side sliding panel 81 of fixation side part (downside) distance, as the shorter mobile Slideslip plate 82 of mobile side partial distance and make the lower Stainless Steel Alloy etc. of both frictional coefficient be formed, and, owing to having laid the low frictional properties liner 83 comprising solid lubricant on mobile Slideslip plate 82, thus significantly can reduce this and move the frictional coefficient of Slideslip plate 82 relative to fixation side sliding panel 81.Therefore, though comprise to carry basic top 14, old body of heater 11 and old body of heater pylon 21 the weight of old blast furnace 10 exceed such as 8000 tons, also can successfully carry.

In the present embodiment, in based fragmentation operation S3, cut at multiple cutting zone in order, and fill bag-shaped fixing part, thus, basic top 14, old body of heater 11 and old body of heater pylon 12 need not be made to carry out up-and-down movement, under the state that can proceed at old blast furnace running operation S1, upper and lower cutting is carried out to field basic 13, and slide construction portion 41 can be set between basic top 14 and basic infrastructure 15.

[the 2nd embodiment]

Figure 25 and Figure 26 represents the 2nd embodiment of the present invention.

Identical with the 1st above-mentioned embodiment, present embodiment also carries out blast furnace overhaul according to the general operation shown in Fig. 1 ~ Fig. 4.But, shift out with the 1st above-mentioned embodiment the structure shifted out with Handling device 30A utilized in operation S5 unlike old body of heater.Therefore, in the following description, omit the repeat specification to identical item, only distinct portions is described.

In the above-described first embodiment, shift out with Handling device 30 (with reference to Fig. 8) in order to carry out the 3rd carrying operation (disassembling the carrying that place P3 carries out along axis A2 direction towards old body of heater), and utilization is arranged at ground recess 33, is arranged on the branch road movable stand 32 of the slide construction portion 43 of the bottom surface of this recess 33 and movement in this recess 33.

Shifting out with in Handling device 30A in present embodiment, eliminate this recess 33 and the 32,3rd carrying of branch road movable stand operate in carry out carrying for the 2nd time operate time identical height L2 carry out.

In Figure 25 and Figure 26, shift out to have with Handling device 30 and identical with above-mentioned 1st embodiment shift out with stand 31, slide construction portion 41,42, slide construction portion 41 is set at height L1, and slide construction portion 42 is set at height L2.

Slide construction portion 42 entirety supporting on the ground, is reinforced by the reinforcing steel 34 shown in Figure 12.

In the intersection in slide construction portion 42 and slide construction portion 43, respective fixation side sliding panel 81 (with reference to Fig. 7) intersects in reticulation and is welded together, and afterwards, the upper surface as slipping plane is polished as level and smooth surface.

In such a present embodiment, by the 2nd carrying operation, shift out and utilize slide construction portion 42 to be handled upside down along axis A1 direction with stand 31, arrive the intersection in slide construction portion 42 and slide construction portion 43.Then, by the 3rd carrying operation, shift out and from this intersection, utilize slide construction portion 43 to be handled upside down along axis A2 direction with stand 31, deliver to old body of heater and disassemble place P3.

Adopt such a present embodiment, effect that also can be identical with above-mentioned 1st embodiment.

Moreover, shifting out with in Handling device 30A, due to recess 33 can not be formed on the ground, thus can earthwork be simplified.

In addition, in the intersection in slide construction portion 42 and slide construction portion 43, after welding respective fixation side sliding panel 81 respectively, needing the upper surface polishing as slipping plane is level and smooth face.Therefore, preferably correspond in consideration on the basis of the service load of field conditions etc. etc., suitably select to be adopt the 1st above-mentioned embodiment or present embodiment.

[the 3rd embodiment]

Each figure of Figure 27 ~ Figure 30 represents the 3rd embodiment of the present invention.

Identical with the 1st above-mentioned embodiment, present embodiment also carries out blast furnace overhaul according to the general operation shown in Fig. 1 ~ Fig. 4.But, shift out unlike old body of heater shifting out of utilizing in operation S5 to move into the immigration Handling device 39B utilized in operation S6 structure with the structure of Handling device 30B and new body of heater with the 1st above-mentioned embodiment.Therefore, in the following description, omit the repeat specification to identical item, only distinct portions is described.

First, shift out to old body of heater shifting out of utilizing in operation S5 to be described with Handling device 30B.

In the above-described first embodiment, shift out and have to carry out the 1st ~ 3rd carrying operation with Handling device 30 (with reference to Fig. 8): the slide construction portion 41 (height L1) arranged along axis A1 direction, the slide construction portion 42 (height L2) arranged along axis A1 direction equally and the slide construction portion 43 (height L3) arranged along axis A2 direction, these slide construction portions 41,42,43 carry with the 1st time respectively operate, carry for the 2nd time operate, carry for the 3rd time operate corresponding.And, height L1 and height L2 is separately positioned on the upper surface of stand 31 and lower surface by shifting out, in addition, height L3 is set in the below of distance height L2 specified altitude, that is, form recess 33, slide construction portion 43 is set in the bottom surface of this recess 33, be placed on branch road movable stand 32 with stand 31 shifting out, realize towards the direction transformation in axis A2 direction.

To this, in the present embodiment, eliminate and shift out with stand 31 and the 2nd carrying operation, as the 1st carrying operation, basic top 14 and old blast furnace 10 is made to be moved horizontally to branch road movable stand 32 at height L1 along axis A1 direction from basic infrastructure 15, further, as the 3rd carrying operation, the branch road movable stand 32 of basic top 14 and old blast furnace 10 is placed with along the carrying of axis A2 direction at the height L3 ' lower than height L1.

Therefore, shifting out of present embodiment has with Handling device 30B the following structure being different from the 1st above-mentioned embodiment.

In Figure 27, Figure 28 and Figure 29, build P2 side, place near basic infrastructure 15 to new body of heater, be provided with middle stand 61 on the ground.The top being positioned at new body of heater structure P2 side, place of middle stand 61 is positioned at the nearby side of the position of direction of travel conversion.

Disassemble place P3 (with reference to Fig. 3) side from the position of direction of travel conversion to old body of heater, be provided with branch road stand 62 on the ground.Branch road stand 62 is provided with branch road movable stand 32.

Identical with the 1st embodiment, the slide construction portion 41 be provided with between the upper surface in portion 15 and the lower surface on basic top 14 under the foundation, the fixation side part (the fixation side sliding panel 81 shown in Fig. 7) in this slide construction portion 41 through the upper surface of middle stand 62, extends to the upper surface of branch road movable stand 32 from the upper surface of basic infrastructure 15.Identical with the 1st embodiment, the height of the slipping plane in slide construction portion 41 is set at height L1.

The slide construction portion 43 identical with the 1st embodiment is provided with between the upper surface and the lower surface of branch road movable stand 32 of branch road stand 62.The height of the slipping plane in slide construction portion 43 is set at height L3 ', this height L3 ' with the height of branch road movable stand 32 corresponding height lower than the height L1 residing for slide construction portion 41.

In addition, in the 1st embodiment, slide construction portion 43 is arranged on the bottom surface of recess 33 (with reference to Fig. 8), its slipping plane is in the height L3 lower than floor surface, but, the height L3 ' of present embodiment, owing to being positioned at the upper surface place being arranged on ground branch road stand 62, is thus above the ground level.But, the 1st above-mentioned embodiment is identical with present embodiment, and the height L3 of the 1st embodiment is the height corresponding with the height of the branch road movable stand 32 for direction transformation lower than the height of height L2 and the height L3 ' of present embodiment lower than the height of height L1.

Next, move into new body of heater the immigration Handling device 39B (with reference to Figure 30 and Figure 31) utilized in operation S6 to be described.

In the above-described first embodiment, immigration Handling device 39 (with reference to Figure 21) has to carry out the 1st carrying operation the slide construction portion 44 that the bottom surface side of immigration stand 38 is slided, further, have make new basis 23 relative to the upper surface of immigration stand 38 and the slide construction portion 45,46 of upper surface slide of repairing basis 26 to carry out the 2nd carrying operation.

To this, in the present embodiment, eliminate the 1st the carrying operation that immigration stand 38 is moved horizontally, only carry out the 2nd carrying operation, namely, by a single operation, new basis 23 and new blast furnace 20 directly being moved horizontally, being transported on the upper surface on reparation basis 26 from being arranged on the new body of heater stand built the P2 of place.

For this reason, the immigration Handling device 39B of present embodiment has the following structure being different from the 1st above-mentioned embodiment.

As shown in figures 30 and 31, build place P2 at new body of heater, on ground, be provided with structure stand 63, for building new blast furnace 20 new basic 23 upper surfaces being bearing in structure stand 63.The height being provided with slipping plane between the lower surface and the upper surface of structure stand 63 on new basis 23 is in the slide construction portion 45 of height L4.

In the present embodiment, build between place P2 and basic infrastructure 15 at new body of heater, remain and shift out at old body of heater the slide construction portion 41,43 shifting out middle stand 61 with Handling device 30B (reference Figure 27), branch road stand 62 and be separately positioned on the upper surface of middle stand 61 and branch road stand 62 used in operation S5.On this basis, remove slide construction portion 41,43 respectively, afterwards, middle stand 61 and branch road stand 62 arrange auxiliary rack 64,65, make the height of the upper surface of auxiliary rack 64,65 identical with the height of the upper surface of structure stand 63.

In the present embodiment, the upper surface in portion 15 is under the foundation formed and repairs basis 26, make the height of the upper surface on this reparation basis 26 identical with the height of the upper surface of structure stand 63.Further, the fixation side part in slide construction portion 46 is set from the upper surface of the upper surface to auxiliary rack 65,64 of repairing basis 26.Identical with the 1st embodiment, slide construction portion 46 and the slide construction portion 45 of the lower surface being arranged at new basis 23 share mobile side part (with reference to Figure 23), the slipping plane in this slide construction portion 46 is set at height L4, slide construction portion 46 is after setting completed, with be positioned at the end of structure by the fixation side part in the slide construction portion 45 of the upper surface of stand 63 and be connected, and the upper surface in this slide construction portion 46 is polished, make it to become level and smooth.

In such a present embodiment, shift out in operation S5 at old body of heater, slide construction portion 41 is utilized to carry basic top 14 and old blast furnace 10 from basic infrastructure 15 to branch road movable stand 32, then, utilize slide construction portion 43 branch road movable stand 32 to be transported to old body of heater and disassemble place P3 (with reference to Fig. 3).

In addition, move in operation S6 at new body of heater, on reparation basis 26, auxiliary rack 64,65, slide construction portion 46 after setting completed, new basis 23 is transported to blast furnace together with new blast furnace 20 place P1 is set.

Adopt such a present embodiment, also can obtain the effect identical with the 1st above-mentioned embodiment.

Moreover, utilize old body of heater to shift out to utilize in operation S5 shift out with Handling device 30B time, the 2nd carrying not needing the old body of heater carrying out the 1st above-mentioned embodiment to shift out in operation S5 operates, as long as to carry out the 1st carrying operation along axis A1 direction at height L1 and carry out the 3rd carrying operation at height L3 ' along axis A2 direction, this operates for twice, the setting of the equipment such as the towing mechanism 70 (with reference to Figure 18 and Figure 19) be included in the 1st time and carry out respectively driving in the 3rd carrying operation can be reduced and remove in interior operation, the further reduction of erection time.

In addition, as shown in the 1st embodiment, due to recess 33 can not be formed on the ground, thus earthwork can be simplified.

Moreover the carrying carrying out along axis A2 direction owing to utilizing branch road stand 62 and branch road movable stand 32, thus, does not need to be connected the multiple intersection between slide construction portion 42 with slide construction portion 43 as the 2nd embodiment and to polish.

In addition, when moving into the immigration Handling device 39B (with reference to Figure 30 and Figure 31) utilized in operation 6 adopting new body of heater, repair basis 26, auxiliary rack 64,65, slide construction portion 46 after setting completed, can be transported to blast furnace arranges place P1 at one stroke by new basis 23 and new blast furnace 20.

Therefore, with carry out as shown in the 1st embodiment or the 2nd embodiment the 1st time with carry situation about operating the 2nd time and compare, can reduce and comprise towing mechanism 70 (with reference to Figure 18 and Figure 19) etc. for the setting of equipment driven and the operation of removing, the further reduction of erection time.

Further, place P1 is set because new basis 23 and new blast furnace 20 are transported to blast furnace at one stroke, and midway can not stop, and thus, can not only improve stability during carrying, can also improve carrying precision.

[the 4th embodiment]

Figure 32 and Figure 33 represents the 4th embodiment of the present invention.

Identical with the 1st above-mentioned embodiment ~ the 3rd embodiment, present embodiment also carries out blast furnace overhaul according to each operation shown in Fig. 1.But, with the 1st above-mentioned embodiment ~ the 3rd embodiment, place P1 is set unlike blast furnace, new body of heater builds place P2 and old body of heater disassembles the planar configuration of place P3, further, old body of heater shifts out shifting out of utilizing in operation S5 and moves into carrying passage portion and new body of heater the immigration utilized in operation S6 to carry the configuration of passage portion also different.

In the 1st above-mentioned embodiment ~ the 3rd embodiment, as shown in Figure 2, arrange place P1 relative to blast furnace on axis A1 direction, to be provided with new body of heater to build place P2, disassemble place P3 arranging the body of heater of haveing been friends in the past of setting the axis A2 that centre that place P1 and new body of heater build place P2 extends from blast furnace along the direction crossing with axis A1 direction (intersecting direction).

As shown in Figure 32 and Figure 33, in the present embodiment, relative to the configuration shown in above-mentioned Fig. 2, new body of heater structure place P2 and old body of heater are disassembled place P3 and are put upside down configuration.Therefore, in the present embodiment, from blast furnace arrange place P1 to old body of heater disassemble place P3 shift out with carrying passage portion 30 ' linearly form, further, the immigration carrying passage portion 39 ' arranging place P1 from new body of heater structure place P2 to blast furnace is configured to use the midway of carrying passage portion 30 ' to the L-shaped in branch road, crossing direction from shifting out.

In such a present embodiment, carry out carrying operation as follows.

Shift out in operation S5 at old body of heater, as shown in figure 32, at blast furnace, place P1 is set, field basic 13 is split, makes to disassemble place P3 to old body of heater together with basic top 14 and the old blast furnace 10 (old body of heater 11 and old body of heater pylon 12) that is located thereon along shifting out move linearly with carrying passage portion 30 '.

Move in operation S6 at new body of heater, as shown in figure 33, make the new blast furnace 20 (new body of heater 21 and new body of heater pylon 22) built at new body of heater structure place P2 move to blast furnace together with new basis 23 along immigration carrying passage portion 39 ' and place P1 is set.In immigration with in carrying passage portion 39 ', first move along axis A2, after changing direction, move along axis A1.

In addition, for shifting out the concrete mechanism with the Handling device used in carrying passage portion 30 ' and immigration carrying passage portion 39 ', can adopt with above-mentioned each embodiment shift out by Handling device 30,30A, 30B and immigration Handling device 39, structure that 39A, 39B are identical, suitably design according to the structure of above-mentioned the 1st embodiment (utilizing height L1 ~ L4), the 2nd embodiment (utilizing height L1, L2, L4) or the 3rd embodiment (utilize height L1, L3 ', L4).

Adopt such a present embodiment, also can obtain and the effect that the 1st above-mentioned embodiment ~ the 3rd embodiment is identical.But, effect when but can not get adopting in each embodiment immigration carrying passage portion to be configured to the structure of straight line.

[the 5th embodiment]

Figure 34 and Figure 35 represents the 5th embodiment of the present invention.

Identical with the 1st above-mentioned embodiment ~ the 3rd embodiment, present embodiment also carries out blast furnace overhaul according to each operation shown in Fig. 1.But, with the 1st above-mentioned embodiment ~ the 3rd embodiment, place P1 is set unlike blast furnace, new body of heater builds place P2 and old body of heater disassembles the planar configuration of place P3, further, old body of heater shifts out shifting out of utilizing in operation S5 and moves into carrying passage portion and new body of heater the immigration utilized in operation S6 to carry the configuration of passage portion also different.

In the present embodiment, shift out and carry passage portion 39 ' with carrying passage portion 30 ' and immigrations and change direction halfway respectively.

In Figure 34 and Figure 35, shift out and place P1 is set along axis A1 from blast furnace extends out by carrying passage portion 30 ', and change direction in midway, extend along axis A2 top in figure, shift out and disassemble place P3 at this with the end setting body of heater of haveing been friends in the past of carrying passage portion 30 '.Immigration carrying passage portion 39 ' arranges place P1 and extends out along axis A1 from blast furnace, and changes direction in midway, extends along axis A2 to Figure below, the end of this immigration carrying passage portion 39 ' is provided with new body of heater and builds place P2.

Therefore, in the present embodiment, shift out and change direction in midway respectively by carrying passage portion 30 ' and immigration carrying passage portion 39 ', further, passage portion that place P1 extends out is set along axis A1 from blast furnace for shifting out the common sparing carrying passage portion 39 ' by carrying passage portion 30 ' and immigrations.

In such a present embodiment, carry out carrying operation as follows.

Shift out in operation S5 at old body of heater, as shown in figure 34, at blast furnace, place P1 is set, field basic 13 being split, with carrying passage portion 30 ', the direction arranging place P1 to blast furnace together with basic top 14 and the old blast furnace 10 (old body of heater 11 and old body of heater pylon 12) that is located thereon being moved along shifting out.Shifting out with in carrying passage portion 30 ', first moving along axis A1, disassembling after place P3 changes direction towards old body of heater, moving along axis A2.

Move in operation S6 at new body of heater, as shown in figure 35, make the new blast furnace 20 (new body of heater 21 and new body of heater pylon 22) built at new body of heater structure place P2 move to blast furnace together with new basis 23 along immigration carrying passage portion 39 ' and place P1 is set.In immigration with in carrying passage portion 39 ', first moving along axis A2 (disassembling place P3 towards old body of heater), arranging towards blast furnace after place P1 changes direction, moving along axis A1.

In addition, for shifting out the concrete mechanism with the Handling device used in carrying passage portion 30 ' and immigration carrying passage portion 39 ', can adopt with above-mentioned each embodiment shift out by Handling device 30,30A, 30B and immigration Handling device 39, structure that 39A, 39B are identical, suitably design according to the structure of above-mentioned the 1st embodiment (utilizing height L1 ~ L4), the 2nd embodiment (utilizing height L1, L2, L4) or the 3rd embodiment (utilize height L1, L3 ', L4).

Adopt such a present embodiment, also can obtain and the effect that the 1st above-mentioned embodiment ~ the 3rd embodiment is identical.

In addition, all change direction by carrying passage portion 30 ' and immigration carrying passage portion 39 ' owing to shifting out, thus, new body of heater can be improved and build the selection degree of freedom that place is set that place P2 and old body of heater disassemble place P3, and also easily be applicable to the blast furnace that surrounding devices mixes.

Moreover, carry in passage portion 39 ' with carrying passage portion 30 ' and immigrations shifting out, can at the common sparing common carrying device along axis A1, and the part along axis A2 linearly configures, and thus can share Handling device such as towing mechanism 70 grade.

Carry in passage portion 39 ' with Handling device 30,30A, 30B, immigration Handling device 39,39B, the 4th embodiment or shifting out of the 5th embodiment with carrying passage portion 30 ' and immigration shifting out of the 1st above-mentioned embodiment ~ the 3rd embodiment, carrying direction is when there is conversion in midway, the angle of direction transformation is not limited to 90 degree, also can be 45 degree, 60 degree or other arbitrary angles.

In addition, shift out the quantity with the position of direction transformation in each carrying passage portion such as carrying passage portion 30 ' and immigration carrying passage portion 39 ', namely the number of times of the side's of carrying out conversion is not limited thereto 1 time in a carrying passage portion, also can be more than 2 times.

[the 6th embodiment]

Figure 36 and Figure 37 represents the 6th embodiment of the present invention.

Identical with the 1st above-mentioned embodiment ~ the 3rd embodiment, present embodiment also carries out blast furnace overhaul according to each operation shown in Fig. 1.But, with the 1st above-mentioned embodiment ~ the 3rd embodiment, place P1 is set unlike blast furnace, new body of heater builds place P2 and old body of heater disassembles the planar configuration of place P3, further, old body of heater shifts out shifting out of utilizing in operation S5 and moves into carrying passage portion and new body of heater the immigration utilized in operation S6 to carry the configuration of passage portion also different.

In the present embodiment, blast furnace arranges place P1, new body of heater builds place P2 and old body of heater disassembles place P3 along axis A1 configuration on the same line.Especially, arrange place P1 relative to blast furnace, new body of heater structure place P2 and old body of heater are disassembled place P3 and are configured in opposite side.

Shift out and linearly form respectively by carrying passage portion 30 ' and immigration carrying passage portion 39 '.This shifts out carries passage portion 39 ' with carrying passage portion 30 ' and immigrations and arranges place P1 across blast furnace and be arranged on opposite side, and both do not have common sparing, separate formation.

In such a present embodiment, carry out carrying operation as follows.

Shift out in operation S5 at old body of heater, as shown in figure 36, arrange place P1 at blast furnace to split field basic 13, at blast furnace, place P1 is set, field basic 13 is split, makes to disassemble place P3 to old body of heater together with basic top 14 and the old blast furnace 10 (old body of heater 11 and old body of heater pylon 12) that is located thereon along shifting out move linearly with carrying passage portion 30 '.

Move in operation S6 at new body of heater, as shown in figure 37, make the new blast furnace 20 (new body of heater 21 and new body of heater pylon 22) built at new body of heater structure place P2 be moved straightly to blast furnace together with new basis 23 along immigration carrying passage portion 39 ' and place P1 is set.

In addition, for shifting out the concrete mechanism with the Handling device used in carrying passage portion 30 ' and immigration carrying passage portion 39 ', can adopt with above-mentioned each embodiment shift out by Handling device 30,30A, 30B and immigration Handling device 39, structure that 39A, 39B are identical, suitably design according to the structure of above-mentioned the 1st embodiment (utilizing height L1 ~ L4), the 2nd embodiment (utilizing height L1, L2, L4) or the 3rd embodiment (utilize height L1, L3 ', L4).

But, in the present embodiment, shift out and use carrying passage portion 30 ' and immigration carrying passage portion 39 ' difference linearly and separate formation.Therefore, in the present embodiment, the structure (highly L3, L3 ' of direction of travel conversion in above-mentioned each embodiment can be omitted).

Adopt such a present embodiment, also can obtain and the effect that the 1st above-mentioned embodiment ~ the 3rd embodiment is identical.

[the 7th embodiment]

Figure 38 and Figure 39 represents the 7th embodiment of the present invention.

Identical with the 1st above-mentioned embodiment ~ the 3rd embodiment, present embodiment also carries out blast furnace overhaul according to each operation shown in Fig. 1.But, with the 1st above-mentioned embodiment ~ the 3rd embodiment, place P1 is set unlike blast furnace, new body of heater builds place P2 and old body of heater disassembles the planar configuration of place P3, further, old body of heater shifts out shifting out of utilizing in operation S5 and moves into carrying passage portion and new body of heater the immigration utilized in operation S6 to carry the configuration of passage portion also different.

In the present embodiment, the 6th embodiment described above is identical, shifts out and linearly forms respectively by carrying passage portion 30 ' and immigration carrying passage portion 39 '.

But relative to shifting out with the extension of carrying passage portion 30 ' along axis A1 direction, the angle that immigration carrying passage portion 39 ' edge and axis A1 are formed is that the axis A3 (diagonal of the field basic 13 of rectangle) of 45 degree extends.

In such a present embodiment, step that also can be identical according to the 6th embodiment with above-mentioned carries out the carrying of old blast furnace 10 and new blast furnace 20.

Adopt such a present embodiment, also can obtain the effect identical with the 6th above-mentioned embodiment.Moreover, by being that the axis A3 of 45 degree arranges immigration and carries passage portion 39 ' along the angle formed with axis A1, thus new body of heater structure place P2 can be set on the position different from the 6th above-mentioned embodiment.

Namely, even if in the relation etc. of the surrounding devices due to blast furnace, the above-mentioned configuration shown in the 6th embodiment, namely can not be carried out, blast furnace can not be arranged place P1 along axis A1, new body of heater builds place P2 and old body of heater disassembles place P3 when configuring on same straight line, also can build place P2 and tackle by changing new body of heater.Further, immigration carrying passage portion 39 ' can towards can configure place that new body of heater builds place P2 sideling (angle formed with axis A3 and axis A1 be 30 degree, 60 degree, 120 degree, 135 degree etc.) arrange.

[variation]

In addition, the present invention is not limited to above-mentioned embodiment, and the distortion etc. in the scope of the object of attainable cost invention is also contained in the present invention.

As field basic 13, adopt and the existing blast furnace foundation works such as the skeleton construction that the ground of place P1 builds are set at blast furnace.

Such a field basic 13 is split into basic top 14 and basic infrastructure 15 in based fragmentation operation S3, but, the split position of field basic 13 is preferably selected according to the bar construction etc. of field basic 13 inside.

As new basis 23, adopting the foundation structure thing of the tabular of expansion when overlooking, also can adopting the basis formed by filling the fire-resistant packing materials such as mould material in whole steel axle assembly works or a part.

New basic 23 are moved into blast furnace arranges place P1, to form the basis of new blast furnace 20, can the machinery equipment such as the cooling pipe arrangement played needed for blast furnace function, distribution piping be arranged on new basis 23 in advance.

Before can building new body of heater 21 and new body of heater pylon 22 on the upper surface on new basis 23, equipment is arranged on such a new basis 23, or, also can carry out simultaneously.

Shifting out in each embodiment can bear supporting basic top 14 thereon and the stand of old blast furnace 10 or the newly load of basis 23 and new blast furnace 20 etc. with the employing of stand 31, branch road movable stand 32, immigration stand 38, middle stand 61, branch road stand 62 and structure stand 63, also can adopt steel axle assembly works.

Here, move in operation S6 at new body of heater, carry new blast furnace 20 and newly basic 23 time, need the distortion of the completed new body of heater 21 of work before making installation and new body of heater pylon 22 to reach inferior limit.Therefore, preferably guarantee the immigration Handling device 39 of the carrying for new body of heater 21 grade, 39B has enough rigidity.

In addition, shift out in operation S5 at old body of heater, because old blast furnace 10 and basic top 14 are disassembled after being moved out of, thus, shift out the high precision not needing immigration Handling device 39,39B such with Handling device 30,30A, 30B.

Shift out with Handling device 30, 30A, 30B and immigration Handling device 39, 39B have employed slide construction portion 41 ~ 46, but, in the fixation side sliding panel 81 shown in above-mentioned Fig. 7 and mobile Slideslip plate 82, fixation side sliding panel 81 is the plate-shaped member extended continuously along carrying direction, mobile Slideslip plate 82 is not limited to the parts extended continuously along carrying direction, also can be the parts along the arrangement of carrying Directional discontinuity, such as, as long as desired sliding capability can be obtained, suitably can grade to detail portion and change, as adopted the structure arranged by multiple discoideus pad.

In addition, in order to reduce the friction of mobile Slideslip plate 82 relative to fixation side sliding panel 81, mobile Slideslip plate 82 is provided with low frictional properties liner 83, but, also this low frictional properties liner 83 can be arranged on fixation side sliding panel 81 side, or, low frictional properties liner 83 can be omitted, make fixation side sliding panel 81 and the directly sliding contact of mobile Slideslip plate 82, and, the lubricant that oilness under high capacity is higher is provided between fixation side sliding panel 81 and mobile Slideslip plate 82.

Low frictional properties liner 83 is not limited to the parts formed by making the fines such as solid lubricant, such as tetrafluoroethylene resin (PTFE), molybdenumdisulphide, graphite glue on a surface of a substrate, also can adopt by solid lubricant itself being made sheet or film like and the parts etc. formed.Moreover, low frictional properties liner 83 can be omitted, make solid lubricant be dispersed into the medium of viscosity, make it to be provided between fixation side sliding panel 81 and mobile Slideslip plate 82 as lubricating grease.

Guide structure 50 is provided with respectively with on Handling device 30,30A, 30B and immigration Handling device 39,39B above-mentioned shifting out, thus achieve the height-precision of carrying axis, but, relative to the situation that must make immigration Handling device 39,39B realizes such a high precision int, the precision shifted out with Handling device 30,30A, 30B can be relaxed.But, in order to carry out safe carrying, preferably adding the structure preventing any inclination movement, suitably can adopt the above-mentioned structure etc. described in patent documentation 1.

In the respective embodiments described above, form respectively and shift out with Handling device 30,30A, 30B and immigration Handling device 39,39A, 39B, and these Handling devices will set height height L1 ~ L4.Specifically, 1st embodiment (utilizing height L1 ~ L4), the 2nd embodiment (utilizing highly L1, L2, L4), the 3rd embodiment adopt different height respectively, shifting out with the identical height height L1 ~ L4 of employing in carrying passage portion 30 ' and immigration carrying passage portion 39 ' at the 4th embodiment ~ the 7th embodiment.

The concrete value of these height height L1 ~ L4 suitably sets when implementing.In addition, other height also can be added according to the crossing grade of carrying passage portion.

But, preferably relative to based on height L1 (horizontal resection is carried out to field basic 13, be divided into height location when basic top 14 and basic infrastructure 15), all the time the setting of height L4 (being provided with height location when repairing basic 26 on the upper surface of level and smooth basic infrastructure 15) is carried out, namely, the upper surface of basic infrastructure 15 is repaired, to form new reparation basis 26.By repairing basis 26 like this, new blast furnace 20 successfully can be moved into.

In addition, in the 4th above-mentioned embodiment and the 5th embodiment, when moving into carrying passage portion 39 ' middle respective heights L4, the structure shown in Figure 40 can be adopted.

In Figure 40, branch road movable stand 32 is supported by slide construction portion 32.Identical with the structure shown in Figure 12, the ground in supporting slide construction portion 43 reinforces with steel 34 by reinforcing.On the upper surface of branch road movable stand 32, be supported with immigration stand 38 across slide construction portion 42.On the upper surface of immigration with stand 38, be formed with new basis 23 across slide construction portion 45, be formed with the new blast furnace 20 comprising new body of heater 21 and new body of heater pylon 22 at this on new basic 23.

Here, the slipping plane (slide construction portion 43) of branch road movable stand 32 can be in height L3, the slipping plane (slide construction portion 42) of immigration stand 38 can be in height L2, and the slipping plane (slide construction portion 45) on new basis 23 can be in height L4.

[industrial applicibility]

The present invention as removing old body of heater, old body of heater pylon at short notice, can build new body of heater, newly the overhaul method of the blast furnace of body of heater pylon and utilizing.

[description of reference numerals]

10: old blast furnace; 11: old body of heater; 12: old body of heater pylon; 13: field basic; 14: basic top; 15: basic infrastructure; 20: new blast furnace; 21: new body of heater; 22: new body of heater pylon; 23: newly basis; 26: repair basis; 30,30A, 30B: shift out with Handling device; 30 ': shift out by carrying passage portion; 31: shift out with stand; 32: branch road movable stand; 33: recess; 34: reinforcing steel; 35: support unit; 38: immigration stand; 39,39B: immigration Handling device; 39 ': move into by carrying passage portion; 41,42,43,44,45,46: slide construction portion; 50: guide structure; 51: guiding groove; 52: guide block; 61: middle stand; 62: branch road stand; 63: structure stand; 64,65: auxiliary rack; 70: towing mechanism; 71: centre-hole jack; 72: steel wire; 73: reactive force bearing part; 81: fixation side sliding panel; 82: mobile Slideslip plate; 83: low frictional properties liner; 84: pad; 85: backing plate; 86: foundation grouting; 91: through hole; 92: guide member; 93: scroll saw; 94: cavity; 95: bag-shaped fixing part 96: guide rail; A1, A2: axis; B1: boundary; L1, L2, L3, L4: highly; P1: blast furnace arranges place; P2: new body of heater builds place; P3: old body of heater disassembles place; S1: old blast furnace running operation; S2: new body of heater builds operation; S3: based fragmentation operation; S4: blowing out operation; S5: old body of heater shifts out operation; S6: new body of heater moves into operation; S7: new blast furnace running operation; S8: old body of heater disassembles operation; T1, T2, T3: cutting zone.

Claims (8)

1. an overhaul method for blast furnace, carries out large repairs to the blast furnace with body of heater and body of heater pylon be arranged on field basic, it is characterized in that,

Under the state that described blast furnace operates, implement new body of heater and build operation and based fragmentation operation, wherein,

Build in operation at described new body of heater, build place at the new body of heater different from described field basic, build new basis, and build new body of heater pylon and new body of heater on described new basis;

In described based fragmentation operation, upper and lower cutting is carried out to described field basic, is divided into basic top and basic infrastructure that have been friends in the past body of heater and old body of heater pylon are set,

After described blast furnace stopping, implement old body of heater and shift out operation and new body of heater immigration operation, wherein,

Shift out in operation at described old body of heater, described basic top is shifted out from described basic infrastructure with described old body of heater together with described old body of heater pylon;

Move in operation at described new body of heater, described new basis is moved on described basic infrastructure with described new body of heater pylon together with described new body of heater.

2. the overhaul method of blast furnace according to claim 1, is characterized in that,

Move in operation at described new body of heater, the upper surface of described basic infrastructure is formed and repairs basis, described new basis and described new body of heater pylon are moved into together with described new body of heater on the described upper surface repairing basis.

3. the overhaul method of blast furnace according to claim 2, is characterized in that,

Build in operation at described new body of heater, use immigration Handling device, described immigration Handling device builds place straight line from described new body of heater and extends to described field basic,

Shift out in operation at described old body of heater, use is shifted out with Handling device, described in shift out with Handling device from described field basic to the place extension carrying out described new body of heater and build operation, and, extend from direction transformation position to the crossing direction that bearing of trend before intersects

Described immigration Handling device and described shifting out have slide construction portion respectively with Handling device, in described slide construction portion, are provided with the low frictional properties liner as solid lubrication formula lubricating component between pair of sliding plate.

4. the overhaul method of blast furnace according to claim 3, is characterized in that,

Described shifting out has with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater structure operation; 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects; Shift out with stand, it can move passage portion along the described 1st and move; Branch road movable stand, it can move passage portion along the described 2nd and move; Recess, it moves passage portion along the described 2nd and is arranged on ground, and fills described branch road movable stand for receiving,

Move in passage portion the described 1st, have from described shift out extend to the upper surface of described basic infrastructure continuously with the upper surface of stand and the height of slipping plane be set at height L1 slide construction portion, be arranged at described in shift out with between the lower surface of stand and ground and the height of the slipping plane slide construction portion that is set at highly L2 and be arranged at described branch road movable stand upper surface and the height of slipping plane is set at the slide construction portion of described height L2

Move in passage portion the described 2nd, have be arranged at described branch road movable stand between lower surface and the bottom surface of described recess and the height of slipping plane be set at height L3 slide construction portion,

Described immigration Handling device has: the 3rd moves passage portion, and it extends from described new basis to described field basic; Immigration stand, it can move passage portion along the described 3rd and moves and support described new basis; Support unit, it is positioned at the midway of described 3rd passage portion, and is arranged in described recess,

Move in passage portion the described 3rd, have be arranged at described immigration stand between lower surface and ground, upper surface via described support unit extends near described basic infrastructure continuously and the height of slipping plane is set at the slide construction portion of described height L2, to be arranged between the upper surface of described immigration stand and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of height L4, and be arranged at described to repair between the upper surface on basis and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of described height L4,

The height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L2 > height L3.

5. the overhaul method of blast furnace according to claim 3, is characterized in that,

Described shifting out has with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater structure operation; 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects; Shift out with stand, it can move passage portion by the described 1st and move to described 2nd mobile route portion,

Move in passage portion the described 1st, have and extend to the upper surface of described basic infrastructure continuously with the upper surface of stand and the height of slipping plane is set at the slide construction portion of height L1 and shifts out described in being arranged at between the lower surface of stand and ground and the height of slipping plane is set at the slide construction portion of highly L2 from described shifting out

Move in passage portion the described 2nd, have, between the lower surface shifting out use stand described in being arranged at and ground, with the described 1st move in passage portion the slide construction portion being in described height L2 formed continuously, extend along the crossing direction that the bearing of trend with this slide construction portion intersects and the height of slipping plane be set at height L2 slide construction portion

Described immigration Handling device has: the 3rd moves passage portion, and it extends from described new basis to described field basic; Immigration stand, it can move passage portion along the described 3rd and moves and support described new basis,

Move in passage portion the described 3rd, have be arranged at described immigration stand between lower surface and ground, extend to the vicinity of described basic infrastructure continuously and the height of slipping plane be set at described height L2 slide construction portion, to be arranged between the upper surface of described immigration stand and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of height L4 and is arranged at described to repair between basic upper surface and the lower surface on described new basis and the height of slipping plane is set at the slide construction portion of described height L4

The height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L2.

6. the overhaul method of blast furnace according to claim 3, is characterized in that,

Described shifting out has with Handling device: the 1st moves passage portion, and it extends from field basic to the place of carrying out described new body of heater structure operation; 2nd moves passage portion, and it extends from the midway that the described 1st moves passage portion to the crossing direction that the bearing of trend that the 1st moves passage portion intersects; Branch road stand, it moves passage portion along the described 2nd and extends and arrange on the ground; Branch road movable stand, it can move along described branch road stand; Middle stand, it moves passage portion along the described 1st and extends and be connected with described field basic and described branch road stand,

Move in passage portion the described 1st, have and extend to the upper surface of described basic infrastructure continuously via the upper surface of described middle stand and the height of slipping plane is set at the slide construction portion of height L1 from the upper surface of described branch road movable stand,

Move in passage portion the described 2nd, have be arranged at described branch road movable stand between lower surface and the upper surface of branch road stand and the height of slipping plane be set at height L3 ' slide construction portion,

Described immigration Handling device has: the 3rd moves passage portion, and it extends from described new basis to described field basic; Structure stand, it supports described new basis; Auxiliary rack, it is positioned at the midway that the described 3rd moves passage portion, and is arranged on on described middle stand on the stand of described branch road,

Move in passage portion the described 3rd, have be arranged at described new basis between lower surface and the upper surface of described structure stand, upper surface via described auxiliary rack extends to continuously describedly repairs the upper surface on basis and the height of slipping plane is set at the slide construction portion of described height L4

The height relationships of the slipping plane in each slide construction portion is: height L4 > height L1 > height L3 '.

7., according to the overhaul method of the blast furnace in claim 3 ~ 6 described in any one, it is characterized in that,

In described immigration Handling device, the guiding groove extended continuously along carrying direction is provided with in the fixation side part in described slide construction portion, and being arranged with guide block at the mobile sidepiece in described slide construction portion, described guide block is arranged on the position, place, front and back 2 in the working direction of described mobile side part.

8., according to the overhaul method of the blast furnace in claim 3 ~ 7 described in any one, it is characterized in that,

The carrying precision set of described immigration Handling device is, often moves 1m lateral error at below 3mm.