CN201301322Y - A device capable of inserting and taking fuel spray gun into and out of outlet elbow of vertical furnace - Google Patents
A device capable of inserting and taking fuel spray gun into and out of outlet elbow of vertical furnace Download PDFInfo
- Publication number
- CN201301322Y CN201301322Y CNU2008201335036U CN200820133503U CN201301322Y CN 201301322 Y CN201301322 Y CN 201301322Y CN U2008201335036 U CNU2008201335036 U CN U2008201335036U CN 200820133503 U CN200820133503 U CN 200820133503U CN 201301322 Y CN201301322 Y CN 201301322Y
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- China
- Prior art keywords
- spray gun
- tuyere stock
- takes out
- fuel lance
- shaft furnace
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- 239000007921 spray Substances 0.000 title claims abstract description 154
- 239000000446 fuel Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000003780 insertion Methods 0.000 claims abstract description 24
- 230000037431 insertion Effects 0.000 claims abstract description 24
- 241000251468 Actinopterygii Species 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 16
- 239000003245 coal Substances 0.000 claims description 13
- 241000040710 Chela Species 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 230000035515 penetration Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000002817 coal dust Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 206010063045 Effusion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/16—Arrangements of tuyeres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Incineration Of Waste (AREA)
Abstract
Disclosed is a device capable of inserting and taking fuel spray gun into and out of outlet elbow of vertical furnace. The outlet elbow comprises a spray gun sleeve which limits an insertion/takeout axial line and is mounted in a coaxial extension part of the spray gun channel; the spray gun passes through the spray gun channel to be inserted into the outlet elbow. The device comprises a linear-oriented piece, a bracket and a mounting support piece. The bracket is supported by the linear-oriented piece in mobile mode and is coordinated with a connecting device to connect the spray gun with the bracket, so as to enable the spray gun to axially move along translational axial line through the bracket. The linear-oriented piece comprises a mechanism used for linearly moving the bracket along guiding axial line and a first half connecting part used for mounting the linear-oriented piece on the support piece. The mounting support piece is provided with a second half connecting part coordinated with the first half connecting part of the linear-oriented piece to detachably attach the linear-oriented piece on the outlet elbow in parallel with insertion/takeout axial line for positioning guiding axial line, so as to enable the translational axial line of the spray gun to be coaxial with the insertion/takeout axial line.
Description
Technical field
The utility model relates generally to Fuel lance is installed to device on the tuyere stock of blast furnace.More specifically, the utility model relates to Fuel lance, and oxygen-coal (oxy-coal) spray gun especially, the process that is inserted in the tuyere stock and takes out from tuyere stock.
Background technology
Fuel lance is used for combustiblematerials (for example, coal dust) is injected to and is guided through tuyere stock and enters in the hot blast in the shaft furnace.These spray guns need regularly to replace to be used for maintenance and repair, for example owing to the vertical overwear vt. of spray gun or the breaking-up of burning and abrasion cause.
At present, be used to change Fuel lance (that is, take out the spray gun that needs repairing and insert new or trimming after spray gun) canonical process need three to four operators' manual intervention.According to this canonical process, the operator takes apart, takes out, inserts by pure handwork and connects spray gun.
Because the size (referring to the size of spray gun among Fig. 2) of spray gun and sizable weight and owing to require to axially align fully, so all to tend to taking-up be relative trouble and consuming time in the insertion of spray gun with respect to the operator.Transposing makes the operator undesirably be exposed to the harsh and unforgiving environments for some time in the stove required time of spray gun, is especially considering that the quantity of required intervention time owing to the tuyere stock in the typical blast furnace plant doubles and each tuyere stock may have a plurality of relevant spray guns true the time.
The problems referred to above are more outstanding under the situation of oxygen-coal spray gun, and discovery at present adopts this oxygen-coal spray gun coal dust and oxygen to be injected in the hot blast simultaneously being used for more and more widely.This is that oxygen-coal spray gun has the weight of increase and the diameter of increase owing to be compared to conventional lance.Because diameter increases, required being used to overcome thermal air pressure (the normally order of magnitude of 4-5bar) applied force and insert the power of oxygen-coal spray gun may be well beyond 400N, thereby cause the current practice that is used to change oxygen-coal spray gun more to bother and therefore more consuming time.
The utility model content
Situation in view of the above, the purpose of this utility model provides a kind of solution that allows to change fast and reliably the Fuel lance on the tuyere stock.This purpose is by realizing as claimed apparatus in the claim 1.
The device of design consideration claim 1 is with in the tuyere stock that Fuel lance is inserted into (particularly on the blast furnace) on the shaft furnace and take out Fuel lance from tuyere stock.This tuyere stock comprises spray gun cover or the gunjet rack that limits insertion/taking-up axis, and spray gun is waited to be aligned on this axis to insert/to take out.Spray gun cover or gunjet rack are installed in the coaxial extension of spray gun passage, and this spray gun passage passes blowpipe usually or passes the air port of tuyere stock, and spray gun can pass this spray gun passage and be inserted in the tuyere stock, so that combustiblematerials is injected in the hot blast.
The device that is proposed consists essentially of: linear guide; The support that is guided, this guide comprises the mechanism that is used for traversing carriage; And the installation strut member, be used for this linear guide is attached to tuyere stock removably.
More specifically, support is supported movably by linear guide and cooperates with coupling device spray gun being connected to this support, thereby makes spray gun move axially and to move axially on translated axis line more accurately along translated axis line.Therefore, the mechanism in the linear guide be configured to along guidance axis and on this guidance axis traversing carriage linearly.As proposing in the claim 1, linear guide has first joint, half one that is used for linear guide is mounted to tuyere stock, have crew-served second and engage half one and strut member is installed, this second engages half one and cooperates so that linear guide is attached to tuyere stock removably with first joint, half one.The guidance axis that strut member is configured to be parallel to insertions/taking-ups axis orientation linear guide is installed, and the translated axis line and the insertion/taking-up axis of the feasible spray gun that is connected to support when linear guide is attached to tuyere stock by the installation strut member are coaxial.
By aligning and the insertion/taking-up by supporting to be activated of being convenient to spray gun, this device makes to have shortened and replaces the required time of Fuel lance.In addition, this device allows required manpower is reduced to two operators at the most from fully manually replacing three to four required operators usually.
In a preferred embodiment, it is self-locking that the mechanism in the linear guide is configured to along axis direction, thereby avoids the motion of translation do not expected of support along guidance axis, and then this support can not be driven by the power outside this mechanism.Because this embodiment has stoped the risk that (that is, spray gun only is being fixed in the process of this device) the spray gun ejection that is caused by thermal air pressure in insertion/taking-up process, thereby has improved security.
According to reliable and simple and clear embodiment, the mechanism of linear guide is the linear driving member that axle drives class.In this embodiment, this mechanism comprises that centering on guidance axis is installed in rotation on the interior axle of linear guide.This support comprises engage spindle and rack-mount axle nut, moves this support linearly with the rotation by axle.Preferably, arrange by suitably selecting (axle and axle nut) matched materials also suitably to select the lead angle of axle to adopt from lock mandrel.In alternative embodiment, this mechanism can comprise chain drive, belt drive or rack and-pinion gearing, wherein, support suitably is connected to chain, belt or gear, to move this support linearly by activating this drive unit or transmission mechanism.And in this case, advantageously, this mechanism is self-locking, so that for example stop the spray gun ejection by the drive unit that self-locking brake is bonded to such as the self-locking worm gear transmission mechanism.This mechanism can be permanently or engages removably actuator is arranged, to activate this spray gun of this support and then translation.
Preferably, first engages half one and second engages half one (be respectively linear guide and strut member is installed) and comprises the snap-action fastening piece, to allow apace linear guide attached to pulling down this linear guide on the tuyere stock and from tuyere stock.Pulling down from tuyere stock under the situation of linear guide, preferably, this snap-action fastening piece comprises: bar actuating type mounting bracket (stirrup), this mounting bracket can be arranged in first joint, half one or be arranged in second and engage in half one; And crew-served hook, this hook can correspondingly be arranged in second joint, half one or be arranged in first and engage in half one, linear guide is attached to the installation strut member.In addition, in this embodiment, this device can also comprise being positioned at the roofbolt (stud) in arbitrary joint half one and being positioned at another and engage chela in half one, and this chela is configured to engage this roofbolt, installs on the strut member thereby linear guide is blocked in.
Under mounted situation, strut member is installed permanently or removably is fixed in tuyere stock, be fixed in the spray gun cover particularly.Preferably, second engages half one comprises fitting piece, more specifically fish plate.This fish plate limits has the vertical substantially composition surface of the insertion/taking-up axis essential structure of simple but non-strictness, that limited with spray gun cover.Therefore, preferably, first engages half one comprises opposite fitting piece, opposite particularly fish plate, this opposite fish plate limit have simple structure, perpendicular to the opposite composition surface of guidance axis.Back one embodiment has proposed to be used to provide aforesaid inherent aligned simple solution.
Advantageously, this device comprises independent coupling device so that spray gun is connected to support, thereby makes can be that each spray gun is installed special-purpose coupling device, therefore makes it possible to further save time.In simple structure, support comprises first connection section, and this coupling device comprises second connection section that can be connected to this first connection section.Under one situation of back, preferably, coupling device has the axle collar (collar) radially reaching the axial restraint spray gun, thereby and makes spray gun axially to move on translated axis line by support when first and second connection section engages.
Preferably, linear guide comprises at least one slender beam that limits linear track and for example arranges by roller or sliding guide piece is supported on support on the linear track of this beam movably.
Advantageously, the size of linear guide is designed such that the depth of penetration of the stroke of support greater than spray gun.
As should be understood, the device that is proposed is particularly useful for the industrial application in Fuel lance (oxygen-coal spray gun particularly) the transposing process on the tuyere stock of blast furnace.
Description of drawings
Hereinafter in the mode of example preferred embodiment of the present utility model is described with reference to accompanying drawing, in the accompanying drawing:
Fig. 1 is the side-view of arranging according to traditional tuyere stock of prior art, shows the Fuel lance that is on position;
Fig. 2 is the side-view according to Fig. 1, shows the Fuel lance that is in extracting position and shows operator as the size reference;
Fig. 3 be according to of the present utility model, be used for skeleton view that Fuel lance is inserted into the tuyere stock as shown in Fig. 1-Fig. 2 and takes out the device of Fuel lance from this tuyere stock;
Fig. 4 is Fig. 3, be in the fragmentary, perspective view of amplification of the device of the work point on the tuyere stock, shows linear guide and is connected to the installation strut member by the snap-action fastening piece;
Fig. 5 is the fragmentary, perspective view of the amplification of Fig. 3, the device that is in off position, and this moment, linear guide was separated with the installation strut member.
Other details of the present utility model and advantage will become apparent from following detailed description.
Embodiment
Fig. 1 schematically shows by reference number 1 and summarizes the traditional tuyere stock that identifies.Tuyere stock 1 comprises air port 2, and the top, downstream of this air port formation tuyere stock 1 and hot blast pass this air port and blow in the blast furnace (not shown).Air port 2 is supported in the air port cooling frame 3, and this air port cooling frame is fixed in furnace shell and does not constitute the part of the tuyere stock 1 that hangs movably with respect to smelting furnace.Tuyere stock 1 also comprises the blowpipe 4 of the upstream that connects air port 2 and the ell 5 that connects the upstream of blowpipe 4.Ell 5 can comprise vertically arranges (not shown) with air port 2 aligned vision slits.The ell 5 of tuyere stock is connected to the bustle pipe (not shown) by following supporting leg 6, and hot blast is supplied with from this bustle pipe, passes supporting leg 6, ell 5 and blowpipe 4 (that is, passing tuyere stock 1 formed pipeline), is injected in the smelting furnace to pass air port 2.
Fig. 1 also shows to be inserted in spray gun insertion cover 12 (being also referred to as gunjet rack) and to be anchored on this spray gun and inserts cover and overlap 12 Fuel lance 10 by keeping chain 14 to be fixed in spray gun in addition, such as coal dust or oxygen-coal spray gun.This Fuel lance 10 has any known appropriate structuring and is used for combustiblematerials is injected to hot blast.This spray gun cover 12 also has any known appropriate structuring, for example has structure substantially in a tubular form, and especially as the guide that inserts and take out spray gun 10.Spray gun cover 12 also comprises suitable valve layout, and this valve is arranged ball valve 16 and the check valve 17 that for example comprises as shown in Fig. 1-Fig. 2, and hot blast passes 12 effusions of spray gun cover when taking out spray gun 10 to stop.For purpose of the present disclosure, because spray gun cover 12 is fixed in tuyere stock 1 and be motionless with respect to this tuyere stock, so the spray gun cover is counted as the integral part of tuyere stock 1.
In the embodiment of Fig. 1-Fig. 2, spray gun cover 12 is connected to from the outstanding obliquely lug boss 15 of blowpipe 4 by flange.Spray gun cover 12 is installed in the extension that aligns of spray gun passage (not shown), and this spray gun passage passes lug boss 15 and passes the wall of blowpipe 4 obliquely, spray gun 10 is inserted in the hot-air channel in the blowpipe 4 allowing.Although not shown among Fig. 1-Fig. 2, it should be understood that alternately spray gun cover 12 can be connected directly to air port 2, spray gun 10 is inserted in the passage that air port 2 limited, for example, as United States Patent (USP) 5, disclosed in 451,034, its full content is hereby expressly incorporated by reference.Although should also be understood that only to show a spray gun 10 and corresponding spray gun cover 12, tuyere stock 1 can comprise one or more other spray guns, and each spray gun passes corresponding cover and inserts.
Fig. 2 shows the Fuel lance 10 that is in extracting position.In known manner, spray gun 10 has top 18 that forms nozzle and the rear end 19 that comprises pipe connection, this pipe connection for example is used for spray gun is connected to pneumatic coal dust plenum system, and under the situation of oxygen-coal spray gun spray gun is connected to source of oxygen to be used for that oxygen is injected to hot blast with coal dust.
Now again with reference to Fig. 3-Fig. 5, the device that uses description to be inserted into Fuel lance 10 in the tuyere stock 1 and from this tuyere stock, take out Fuel lance.The device that is briefly identified by reference number 20 is designed to allow Fuel lance 10 conversion fast between as shown in fig. 1 on position and extracting position as shown in Figure 2, and vice versa.
Comprise the linear guide 22 that wherein is supported with support 24 movably as the complete device that illustrates 20 among Fig. 3.This linear guide comprises two parallel U-shaped beams 26,28, and these two parallel U-shaped beams are secured together by top 30 and bottom 32, to form resistant to bending rigid hollow framework.U-shaped beam 26,28 is spaced apart and have parallel and adjacent flange edge with a bit of distance by top 30 and bottom 32, and these flanges for example are connected and fixed on this top and this bottom by screw.As shown in Figure 3, the lower flange of U-shaped beam 26,28 forms the track of the four rolling 34 of supporting bracket 24.Linear guide 22 is with the mode guide support 24 of linearity and also comprise and be used to make support 24 to do the mechanism of motion of translation along guidance axis 35.In the embodiment of Fig. 4-shown in Figure 5, this mechanism comprises threaded mandrel 36, this threaded mandrel extends to bottom 32 and is supported for and can centers on guidance axis 35 rotations but axial restraint by being arranged in suitable bearing top 30 and the bottom 32 (for example, by pass through laterally to rotate formed shoulder (not shown) in castellated nut (not shown) in the bottom 32 and the top 30) from top 30.This mechanism also comprises the axle nut 38 of the framework that is installed on support 24, and wherein, the axis of nut and guidance axis 35 are coaxial and be parallel to the rotating direction of roller 34.Preferably, axle nut 38 is installed on support 24 pivotally, thus make this axle nut can with the vertical and parallel axis of axle 36 with the axis of roller 34 on pivot, to avoid the obstruction of axle nut 38.The rotation of axle 36 makes support 24 axially translation on guidance axis 35.The stroke 37 of support 24 determined by the length of axle 36, the length of beam 26,28 and the distance between top 30 and the bottom 32, and is selected to slightly the depth of penetration greater than Fuel lance 10.
Although it is not shown among Fig. 3, but it should be understood that, bottom 32 rear end (for example on the protuberance of axle 36) has the fitting piece 40 that is fixed in axle 36, with by external actuator (such as electronic or air operated impact wrench or crank) with torque transfer to axle 36.In other words, fitting piece 40 (not shown) are used for activating the mechanism of linear guide 22, so that support 24 is done motion of translation.Because the suitable machine tool that uses, device 20 permissions insert such as the spray gun (even this spray gun has sizable diameter) of oxygen-coal spray gun easily and apace and have overcome sizable thermal air pressure.
As should be understood, axle mechanism in the linear guide 22 is designed to (or irreversible) of self-locking, promptly, make the possible translation that is produced by external action (for example being applied to the thermal air pressure on the sealing cross section of spray gun 10) of support 24 can't mandrel 36, and then stop undesirable motion of support 24 and therefore also stop undesirable motion of the spray gun 10 that links to each other.This by suitably selecting axle 36 and axle nut 38 material (material is suitably mated) and realize by the axle of selecting to have the lead angle that is suitable for self-locking 36.Therefore, for example in the taking-up process, insert but and can not make spray gun 10 ejections by the thermal air pressure applied force on the loose spray gun 10.Although axle class mechanism is counted as preferred embodiment, but alternative mechanism also drops in the scope of the present utility model, for example has the chain drive or the belt drive of the support that is fixed in belt or chain or has the rack and-pinion mechanism (cogwheel mechanism) that is arranged in the gear on the support and is arranged in the tooth bar on the linear guide.Preferably, these alternative mechanisms also comprise relevant self-locking brake, such as dissoluble automatic load sustaining brake or self-locking (irreversible) worm gear, move to stop along the unnecessary support of removing direction.
As further shown in Figure 3, device 20 comprises the coupling device 42 that spray gun 10 is connected to first connection section 44, this first connection section for example be fixed in support 24 and pass between the lower flange of U-shaped beam 26,28 the gap and outstanding two separately and parallel screw supporting bracket.Shown in the best among Fig. 5, coupling device 42 comprises around the axle collar 46 of spray gun 10 and second connection section 48 that can be connected to first connection section 44 on the support 24, this second connection section for example is the outstanding cross rib with through hole, to be connected to supporting bracket as shown in Figure 5 by bolt.The axle collar 46 is configured to spray gun 10 is fixed in support 24 along the axial direction due that radially reaches with respect to the spray gun axis.Although the axle collar 46 can be configured to the anchor clamps that are threaded and are held on spray gun 10 regularly or are welded in spray gun 10 in alternative preferred variants by as shown in Figure 5, this axle collar can be constructed such that it can rotate with radius clearance seldom around the spray gun axis on spray gun 10.Back one variant has avoided rotating spray gun 10 to be connected to the needs of support 24 exactly.In this back one variant, the contiguous axle collar and can clamping on the either side of the axle collar or be welded with two back-up ring (not shown) on the spray gun 10 is axially to fix this axle collar.As noticing that each spray gun 10 can be provided with special-purpose coupling device 42 can further saving time.
When spray gun 10 is connected to the support 24 of accompanying linear guide 22 by coupling device 42 (and when the top 18 of spray gun is inserted in the spray gun cover 12), the longitudinal axis of spray gun 10 is parallel to guidance axis 35, as shown in Figure 3.It should also be understood that, in one structure of back, the longitudinal axis of spray gun 10 and spray gun cover 12 insertion that is limited/taking-up axis 49 are (promptly, (not shown in order not pass spray gun cover 12 with stopping up and to pass the spray gun passage, for example in blowpipe 4) insert/take out spray gun 10 and must be with spray gun aligned axis thereon) overlap in essence, that is, coaxial with this insertion/taking-up axis.
As should be understood, the spray gun 10 that device 20 allows to be connected to support 24 is gone up translation at translated axis line (overlapping with the longitudinal axis of spray gun 10), when linear guide 22 is attached to tuyere stock 1, the spray gun that for example is attached to as shown in Figure 3 overlapped 12 o'clock, and this translated axis line and insertion/taking-up axis 49 is coaxial.By the installation strut member 50 shown in the best among Fig. 4 linear guide 22 is connected to tuyere stock 1, the enlarged view of the part of Fig. 4 representative graph 3 (part of expressing with solid circles).
As shown in Figure 4, the installation strut member 50 of device 20 comprises two post flanges 52 that are fixed in spray gun cover 12 by the threaded connector 54 of pipe clamp class.In alternative equivalent preferred embodiment, the member that strut member 50 can permanently be fixed in tuyere stock 1 is installed, for example overlap 12 by welding mount to the spray gun as shown in Fig. 3-Fig. 5.Strut member 50 is installed is also comprised the fish plate 56 that post flanges 52 is supported.Fish plate 56 is arranged to limit the composition surface 57 perpendicular to the insertion in the illustrated embodiment/taking-up axis 49.The hook 60 that strut member 50 also is included in stop edge 58 that form with fish plate or that be fixed in fish plate on the upper end of fish plate 56 and is fixed in the end face that strut member 50 is installed is installed.Form with fish plate 56 or this fish plate is fixed with laterally projecting a pair of chela 62, be provided with a chela 62 on each side.
Shown in the best among Fig. 5, linear guide 22 comprises the opposite fish plate 64 that limits perpendicular to opposite (counter) composition surface 65 of guidance axis 35 (that is the pivot center of axle 36).As long as it should be understood that the aligning of having guaranteed linear guide 22 and the aligning of therefore having guaranteed spray gun 10, then surface 57,65 need not necessarily perpendicular to corresponding axis.Form with the downside of opposite fish plate 64 or be fixed with the roofbolt 66 of cylindrical bar form with outstanding along side direction at the downside of this opposite fish plate.Shown in the best among Fig. 3, this linear guide also comprises bar 68, and this bar is hinged to top 30, and the U-shaped chuck 70 with adjustable link rod (adjustable reach) is hinged to this bar in the centrifugal mode.
Chuck 70 and hook 60 that bar activates form the snap-action fastening piece together, so that linear guide 22 is fixed in apace strut member 50 are installed.It should also be understood that, opposite fish plate 64 and roofbolt 66 form first on the linear guide 22 with chuck 70 and engage half one, with along predetermined orientation firmly but be attached to tuyere stock 1 removably, more precisely, be attached to strut member 50 is installed linear guide.Therefore, the co-operating part of installation strut member (promptly, fish plate 56), second joint, half one that a pair of chela 62 and hook 60 forms cooperate with joint half on the linear guide 22, with quick and firm the adhering to and correct positioning (aligning) of permission linear guide 22.Fig. 4 shows best and is in joint half one that engages the back structure, and constructs after exemplary the taking apart of this joints half one has been shown among Fig. 5.Under situation behind the joint as shown in Fig. 3-Fig. 4, chela 62 engages roofbolt 66, with any rotation and any side direction or the downward motion of prevention linear guide 22 around its guidance axis 35, and stop edge 58 keeps connecting plywood 64 in the upward direction.As noting, for each tuyere stock 1 on the smelting furnace, preferably, each inlet that is used for spray gun 10 is provided with special-purpose installation strut member 50, thereby makes it possible to further save time.
Owing to the geometric construction of strut member 50 is installed and with respect to the predetermined orientation of tuyere stock 1, the guidance axis 35 of the linear guide 22 after the installation is parallel to insertion/taking-up axis 49 and orientation, thereby and make vertically (and translation) axis and this insertion/taking-up axis 49 of any spray gun of being connected to linear guide 22 coaxial, as conspicuous from Fig. 3.Therefore, when using appts 20, for suitably locating spray gun 10, loss is not any time.
Statement is by the process of using appts 20 replacement spray guns 10 below.At first, be engaged in by roofbolt 66 being inserted in the chela 62 and with linear guide 22 strut member 50 is installed, pivot opposite composition surface 64 contacting with composition surface 57, and close snap-action fastening piece (that is, chuck 70 being joined in the hook 60 by bar 68) subsequently.Therefore, linear guide 22 (removably) is attached to tuyere stock 1, and its guidance axis 35 is parallel to insertion/taking-up axis 49 and locatees.In next step, support 24 is entered as upper/lower positions, this position allows by coupling device 42 the present spray gun 10 that keeps in repair or abandon of waiting that inserts to be connected to this support.In case the joint by connection section 44,48 is fixed in support 24 with spray gun 10, then unscrews the sleeve nut 72 of stuffing box 74, and can remove maintenance chain 14 (, not shown among Fig. 3-Fig. 5) referring to Fig. 1.As should be understood, the translation mechanism in the linear guide 22 has stoped any of current loose spray gun 10 to spray unintentionally from Lock structure.By activating the mechanism of linear guide 22, more specifically, come mandrel 36 by the machine wrench that adopts fitting piece 40, now can be safely and take out spray gun 10 apace.In case spray gun has passed ball valve 16, then close ball valve.The hook spare (catch) 76 that is fixed in linear guide 22 stops the top 18 of the spray gun 10 that takes out fully to fall.
After taking out exhausted spray gun 10, insert spray gun after new or the trimming by device 20 equally.Will install 20 and install, pull down and support 24 has entered near after the position of bottom 32, new spray gun is connected to support 24 at last spray gun.After this, the top 18 with new spray gun 10 places hook spare 76 tops.After this,, top 18 manually is incorporated into spray gun overlaps 12 the inlet that is arranged in stuffing box 74 places, simultaneously because the actuating of axle 36 makes spray gun 10 along the direction of insertion translation by support 24 according to the type of coupling device 42.Before ball valve 16 is passed on top 18, open ball valve.After this,, spray gun 10 is passed spray gun cover 12 and spray gun passage (not shown) inserts fully, be positioned at its final position at complete depth of penetration place with arrival by the actuating of support 24.In case spray gun is in complete on position, then closes stuffing box 74 and chain 14 (referring to Fig. 1) is engaged by sleeve nut 72.Afterwards, support 24 and coupling device 42 can be separated, and can utilize snap- action fastening piece 60,70 to pull down linear guide 22 apace from strut member 50 is installed.After this, this linear guide can be used for other purposes, and the difference that for example is used in different spray guns position is installed on the strut member 50.
Claims (22)
1. one kind is used for Fuel lance is inserted into shaft furnace, blast furnace particularly, the device that also therefrom takes out in the tuyere stock, described tuyere stock comprises the spray gun cover in the coaxial extension that limits insertion/taking-up axis and be installed in the spray gun passage, spray gun passes described spray gun passage and is inserted in the described tuyere stock, it is characterized in that described device comprises:
Linear guide and the support that supports movably by described linear guide, described support is cooperated with coupling device spray gun is connected to described support, thereby by described support described spray gun is axially moved along translated axis line, described linear guide comprises and is used for moving the mechanism of described support linearly and being used for that described linear guide is installed on first of described tuyere stock along guidance axis engaging half one; And
Strut member is installed, described installation strut member has second and engages half one, described second engages half one cooperates with first joint, half one of described linear guide, described linear guide being attached to removably described tuyere stock and being parallel to the described guidance axis of described insertion/described linear guide of taking-up axis orientation, thereby and make that the translated axis line and the described insertion/taking-up axis of the spray gun that is connected to described support are coaxial.
2. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 1, it is characterized in that, described mechanism is self-locking along axis direction, to avoid the motion of translation do not expected of described support along described guidance axis.
3. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 1, it is characterized in that, described mechanism comprises that centering on described guidance axis is installed in rotation on the interior axle of described linear guide, and described support comprises the axle nut that is arranged on the described axle, move described support linearly with rotation by described axle, wherein, preferably, select the material that is complementary of described axle and described axle nut and the lead angle of described axle, so that described mechanism is self-locking.
4. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 1, it is characterized in that described mechanism comprises chain drive or belt drive or the rack and-pinion gearing that is configured to mobile linearly described support and preferably is configured to self-locking.
5. according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4, it is characterized in that described first engages half one and described second engages half one and comprise the snap-action fastening piece.
6. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 5, it is characterized in that described snap-action fastening piece comprises: be positioned at described first and engage in half one or the described second bar actuating type mounting bracket that engages in half one; And correspondingly be positioned at described second and engage in half one or described first hook that engages in half one, described hook is cooperated with described mounting bracket described linear guide is attached to described installation strut member.
7. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 5, it is characterized in that, comprise that also being positioned at described first engages in half one or described second engage the roofbolt in half one and correspondingly be positioned at described second and engage in half one or described first chela that engages in half one, described chela is configured to engage described roofbolt, thereby described linear guide is blocked on the described installation strut member.
8. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 6, it is characterized in that, comprise that also being positioned at described first engages in half one or described second engage the roofbolt in half one and correspondingly be positioned at described second and engage in half one or described first chela that engages in half one, described chela is configured to engage described roofbolt, thereby described linear guide is blocked on the described installation strut member.
9. according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4, it is characterized in that, described installation strut member permanently or removably is fixed in described tuyere stock, be fixed in described spray gun cover particularly, and wherein, described second engages half one comprises fitting piece, more specifically comprise fish plate, described fish plate limits the composition surface that is preferably perpendicular to the described insertion/taking-up axis that is limited by described spray gun cover.
10. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 8, it is characterized in that, described installation strut member permanently or removably is fixed in described tuyere stock, be fixed in described spray gun cover particularly, and wherein, described second engages half one comprises fitting piece, more specifically comprises fish plate, and described fish plate limits the composition surface that is preferably perpendicular to the described insertion/taking-up axis that is limited by described spray gun cover.
11. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 9, it is characterized in that, described first engages half one comprises opposite fitting piece, comprise opposite fish plate particularly, described opposite fish plate limits the opposite composition surface that is preferably perpendicular to described guidance axis.
12. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 10, it is characterized in that, described first engages half one comprises opposite fitting piece, comprise opposite fish plate particularly, described opposite fish plate limits the opposite composition surface that is preferably perpendicular to described guidance axis.
13. according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4, it is characterized in that, also comprise coupling device, spray gun is connected to described support.
14. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 12 is characterized in that, also comprises coupling device, spray gun is connected to described support.
15. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 13, it is characterized in that, described support comprises first connection section, and wherein, described coupling device has and is used for second connection section that radially reaches the axle collar of axial restraint spray gun and can be connected to described first connection section, thereby makes described spray gun axially move along described translated axis line by described support.
16. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 14, it is characterized in that, described support comprises first connection section, and wherein, described coupling device has and is used for second connection section that radially reaches the axle collar of axial restraint spray gun and can be connected to described first connection section, thereby makes described spray gun axially move along described translated axis line by described support.
17. according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4, it is characterized in that, described linear guide comprises at least one slender beam, described beam limits linear track, and described support is supported on the described linear track of described beam movably.
18. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 16, it is characterized in that, described linear guide comprises at least one slender beam, described beam limits linear track, and described support is supported on the described linear track of described beam movably.
19. according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4, it is characterized in that the size of described linear guide is designed such that the depth of penetration of the stroke of described support greater than spray gun.
20. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 18 is characterized in that the size of described linear guide is designed such that the depth of penetration of the stroke of described support greater than spray gun.
21., it is characterized in that described spray gun is oxygen-coal spray gun according to each described device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used in the claim 1 to 4.
22. the device that Fuel lance is inserted into the tuyere stock of shaft furnace and therefrom takes out of being used for according to claim 20 is characterized in that described spray gun is oxygen-coal spray gun.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU91462A LU91462B1 (en) | 2008-07-14 | 2008-07-14 | Insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace |
| LU91462 | 2008-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301322Y true CN201301322Y (en) | 2009-09-02 |
Family
ID=40445598
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201335036U Expired - Fee Related CN201301322Y (en) | 2008-07-14 | 2008-08-21 | A device capable of inserting and taking fuel spray gun into and out of outlet elbow of vertical furnace |
| CN2009801275564A Expired - Fee Related CN102099495B (en) | 2008-07-14 | 2009-07-08 | Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801275564A Expired - Fee Related CN102099495B (en) | 2008-07-14 | 2009-07-08 | Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20110109024A1 (en) |
| EP (1) | EP2297364A1 (en) |
| JP (1) | JP5422648B2 (en) |
| KR (1) | KR20110031380A (en) |
| CN (2) | CN201301322Y (en) |
| AU (1) | AU2009272845B2 (en) |
| BR (1) | BRPI0916796A2 (en) |
| CA (1) | CA2729523A1 (en) |
| LU (1) | LU91462B1 (en) |
| RU (1) | RU2499055C2 (en) |
| UA (1) | UA100907C2 (en) |
| WO (1) | WO2010006977A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724724B (en) * | 2010-01-26 | 2012-07-11 | 南通宝钢钢铁有限公司 | Blast-furnace vent device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101974568B1 (en) | 2017-07-05 | 2019-09-05 | 주식회사 포스코 | Injection Lance |
| LU100373B1 (en) * | 2017-08-18 | 2019-03-26 | Wurth Paul Sa | Extraction Device for a Tuyere Part |
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| DE2349930A1 (en) * | 1973-10-04 | 1975-04-17 | Friedrich A K Prof Dr In Lueth | METHOD AND DEVICE FOR REDUCING IRON ORES IN A SHAFT FURNACE, IN PARTICULAR A FURNACE WITH OIL INJECTION |
| SU854990A1 (en) * | 1979-07-31 | 1981-08-25 | Институт Черной Металлургии Минчермета Ссср | Device for coal dust inlet to blast furnace |
| JPS6134412A (en) * | 1984-07-26 | 1986-02-18 | Nec Corp | Apparatus for measuring inside of furnace |
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| JPH0136900Y2 (en) * | 1986-01-22 | 1989-11-08 | ||
| FR2606035B1 (en) * | 1986-10-29 | 1989-02-03 | Siderurgie Fse Inst Rech | SUPPORT AND INTRODUCTION BENCH FOR A RECLINED ELONGATED PROBE AND ADAPTED PROBE |
| JPH02118010A (en) * | 1988-10-28 | 1990-05-02 | Nippon Steel Corp | Burner for blowing fine particle and granular material from tuyere |
| JP2706795B2 (en) * | 1989-01-06 | 1998-01-28 | 日本鋼管株式会社 | Continuous sampler in blast furnace |
| JPH0317213A (en) * | 1989-06-14 | 1991-01-25 | Nkk Corp | Apparatus for charging coke into dripping zone and the like |
| JPH03150306A (en) * | 1989-11-07 | 1991-06-26 | Nkk Corp | Lance for blowing fine powdered coal |
| JPH03249111A (en) * | 1990-02-28 | 1991-11-07 | Nkk Corp | Temperature measuring device for melt and gas in blast furnace |
| JPH05148520A (en) * | 1991-11-22 | 1993-06-15 | Nkk Corp | Measuring instrument for furnace condition in blast furnace |
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| EP0576869B1 (en) * | 1992-07-01 | 1998-11-11 | Paul Wurth S.A. | Apparatus for injecting pulverized coal into a blast furnace |
| LU88280A1 (en) * | 1993-05-27 | 1994-12-01 | Wurth Paul Sa | Device for introducing a lance into a pressure tank, in particular a blast furnace |
| LU88279A1 (en) * | 1993-05-27 | 1994-12-01 | Wurth Paul Sa | Device for introducing a slender lance into a pressure tank, in particular a blast furnace |
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| JPH10168507A (en) * | 1996-12-10 | 1998-06-23 | Azuma Tekko Kk | Lance for blast furnace |
| JPH10237515A (en) * | 1997-02-26 | 1998-09-08 | Azuma Tekko Kk | Lance pipe for blast furnace |
| KR20020047764A (en) * | 2000-12-14 | 2002-06-22 | 이구택 | The Piercing Apparatus of Blowing Lance for Pulverizer |
| JP2002220608A (en) * | 2001-01-29 | 2002-08-09 | Kobe Steel Ltd | Attaching structure for lance |
| RU2222602C1 (en) * | 2002-05-28 | 2004-01-27 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Blast-furnace tuyere |
| KR100862832B1 (en) * | 2002-08-28 | 2008-10-13 | 주식회사 포스코 | Apparatus for drawing out fine coal blowing lance and reforming deflected portion thereof in blast furnace |
-
2008
- 2008-07-14 LU LU91462A patent/LU91462B1/en active
- 2008-08-21 CN CNU2008201335036U patent/CN201301322Y/en not_active Expired - Fee Related
-
2009
- 2009-07-08 CA CA2729523A patent/CA2729523A1/en not_active Abandoned
- 2009-07-08 JP JP2011517875A patent/JP5422648B2/en not_active Expired - Fee Related
- 2009-07-08 RU RU2011105055/02A patent/RU2499055C2/en not_active IP Right Cessation
- 2009-07-08 KR KR1020117003341A patent/KR20110031380A/en not_active Application Discontinuation
- 2009-07-08 EP EP09780328A patent/EP2297364A1/en not_active Withdrawn
- 2009-07-08 US US13/054,135 patent/US20110109024A1/en not_active Abandoned
- 2009-07-08 AU AU2009272845A patent/AU2009272845B2/en not_active Expired - Fee Related
- 2009-07-08 WO PCT/EP2009/058683 patent/WO2010006977A1/en active Application Filing
- 2009-07-08 UA UAA201101434A patent/UA100907C2/en unknown
- 2009-07-08 BR BRPI0916796A patent/BRPI0916796A2/en not_active IP Right Cessation
- 2009-07-08 CN CN2009801275564A patent/CN102099495B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724724B (en) * | 2010-01-26 | 2012-07-11 | 南通宝钢钢铁有限公司 | Blast-furnace vent device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102099495A (en) | 2011-06-15 |
| KR20110031380A (en) | 2011-03-25 |
| AU2009272845B2 (en) | 2013-11-28 |
| CA2729523A1 (en) | 2010-01-21 |
| LU91462B1 (en) | 2010-01-15 |
| EP2297364A1 (en) | 2011-03-23 |
| UA100907C2 (en) | 2013-02-11 |
| BRPI0916796A2 (en) | 2019-09-24 |
| US20110109024A1 (en) | 2011-05-12 |
| RU2499055C2 (en) | 2013-11-20 |
| RU2011105055A (en) | 2012-08-20 |
| JP2011528065A (en) | 2011-11-10 |
| JP5422648B2 (en) | 2014-02-19 |
| WO2010006977A1 (en) | 2010-01-21 |
| AU2009272845A1 (en) | 2010-01-21 |
| CN102099495B (en) | 2013-09-25 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20150821 |
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