CN102099495A - Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace - Google Patents
Apparatus for insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace Download PDFInfo
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- CN102099495A CN102099495A CN2009801275564A CN200980127556A CN102099495A CN 102099495 A CN102099495 A CN 102099495A CN 2009801275564 A CN2009801275564 A CN 2009801275564A CN 200980127556 A CN200980127556 A CN 200980127556A CN 102099495 A CN102099495 A CN 102099495A
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- spray gun
- linear guide
- support
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
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- 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
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- 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)
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Abstract
An apparatus (20) for insertion and extraction of a fuel injection lance (10) into and out of a tuyere stock (1) of a shaft furnace, in particular of a blast furnace, is proposed. The tuyere stock (1) comprises a lance sheath (12) that defines an insertion/extraction axis (49) and is mounted in coaxial extension of a lance channel through which an injection lance can be inserted into the tuyere stock. The proposed apparatus comprises a linear guide (22), a carriage (24) and a mounting support (50). The carriage is movably supported by the linear guide and cooperates with a connecting device (42) for connecting an injection lance to the carriage such that the injection lance can be moved axially along a translation axis by the carriage. The linear guide comprises a mechanism (36; 38) for linearly moving the carriage along a guide axis (35) and a first coupling half (64; 65; 66) for mounting the linear guide (22) to the mounting support attached to the tuyere stock. The mounting support (50) has a second coupling half (57; 58; 62) cooperating with the first coupling half (64; 65; 66) of the linear guide for removably attaching the linear guide to the tuyere stock. The mounting support (50) and the coupling halves (57; 58; 62; 64; 65; 66) orient an attached linear guide (22) so that the guide axis (35) of the linear guide in parallel to the insertion/extraction axis (49) and so that the translation axis of an injection lance (10) connected to the carriage (24) is coaxial with the insertion/extraction axis (49).
Description
Technical field
Present invention relates in general to fuel is injected device on the tuyere stock that spray gun is installed to blast furnace.More specifically, the present invention relates to that fuel is injected spray gun (particularly oxygen-coal injects spray gun) is inserted into the insertion process of tuyere stock and takes out the taking-up process that fuel injects spray gun from tuyere stock.
Background technology
Fuel injects spray gun and is used for combustiblematerials (for example fine coal) is injected into the hot blast that is incorporated into blast furnace by tuyere stock.For example because vertical overwear vt. of spray gun or breaking-up that burning and abrasion are caused need periodically be changed this spray gun for the purpose of maintenance and repair.
At present, be used for the canonical process that refuelling injects spray gun, that is, take out the spray gun that needs repairing and insert spray gun new or trimming, need three to four operators' artificial intervention.According to this canonical process, the operator works by manpower fully and separates, takes out, inserts and be connected spray gun.
Owing to inject size (spray gun with respect to operator's dimension scale referring to Fig. 2) and sizable weight of spray gun, and owing to need axially align fully, insert that all to tend to the taking-up spray gun be relative trouble and consuming time.Change to inject the period that personnel that the required time of spray gun causes not expecting suffer the severe environment of stove, particularly ought consider since in the typical blast furnace plant quantity of tuyere stock and each tuyere stock all can have the increase of the required intervention time that some these facts of spray gun that are associated are caused.
Inject spray gun (oxygen-coal injects spray gun and has simultaneously the advantage that fine coal and oxygen is injected into hot-blast, therefore obtains application more and more widely at present) for oxygen-coal, above problem is more outstanding.This is because compare with conventional lance, and not only weight increases oxygen-coal spray gun but also diameter increases.Because diameter increases, overcome the power insertion oxygen-coal that applies by hot-blast pressure (typically being the 4-5bar order of magnitude) and inject the required power of spray gun and can substantially exceed 400N, thereby cause the present practice of replacing oxygen-coal spray gun more to bother, and therefore more consuming time.
Korean patent application KR 10 2,004 0019479 discloses a kind of being designed for fine coal has been injected the equipment that spray gun is pulled out from tuyere stock.This equipment comprises the guide housing with gunjet rack, and this gunjet rack can longitudinally move along guide housing by means of chain drive.Guide housing has been supported on the wheel dolly by means of the device at the pitch angle that allows motorize ground adjusting guide housing.Further be configured for correcting crooked spray gun during the insertion according to the equipment of KR 10 2,004 0019479, and for this purpose, this equipment comprises the spray gun correction box of an end that is fixed to guide housing.In order to correct, when pulling out spray gun by the driving gunjet rack, spray gun passes the spray gun correction box.Inject spray gun, particularly Wan Qu spray gun though this equipment appears to have to help take out, yet this equipment is not to help especially to insert.
Technical problem
Consider the situation of above elaboration, primary and foremost purpose of the present invention provides a solution, and it injects spray gun owing to helping to take out and insert the fuel that allows to change fast and reliably on the tuyere stock.This purpose is by realizing as claim 1 equipment required for protection.
Summary of the invention
Becoming to be used for that according to the equipment design of claim 1 fuel is injected spray gun is inserted into the tuyere stock on the shaft furnace (particularly blast furnace) and takes out fuel from tuyere stock and inject spray gun.Tuyere stock comprises spray gun cover or gunjet rack, and this spray gun cover or gunjet rack limit aims at the insertion/taking-up axis to insert/to take out thereon with spray gun.Spray gun cover or gunjet rack are installed in the coaxial extension of spray gun passage, and this spray gun passage typically passes blowpipe or passes the air port of tuyere stock, and the injection spray gun can be inserted into tuyere stock so that combustiblematerials is injected into hot-blast by this spray gun passage.
The equipment that is proposed mainly comprises: linear guide (guide), guiding trestle, this guide comprise and are used to mechanism that support is moved and the installation strut member that is used for linear guide removably is attached to tuyere stock.
More specifically, support is supported movably by linear guide, and be used for cooperate with injecting the coupling device that spray gun is connected to support, thereby make inject spray gun can be along translated axis line and axially mobile on this translated axis line more accurately.Therefore, the mechanism in the linear guide is configured for making support to move linearly along guidance axis and on this guidance axis.As proposing in the claim 1, linear guide has and is used for that linear guide is mounted to first of tuyere stock and engages half one, has cooperation and engages half one with second of the cooperation that linear guide removably is attached to tuyere stock and strut member is installed.Strut member is installed to be engaged half cage structures and becomes linear guide is orientated with two, when linear guide is attached to tuyere stock via the installation strut member, make that the guidance axis of linear guide is parallel with insertion/taking-up axis, and make that the translated axis line and the insertion/taking-up axis of the injection spray gun be connected to support are coaxial.
By the aligning and the insertion/taking-up by realizing activating of assisting spray gun, this equipment makes it possible to reduce refuelling and injects the required time of spray gun.And this equipment can drop to maximum two operators from manually changing required common three to four operators completely with required manpower.
Preferably, the attached linear guide of strut member carrying and all wts of the injection spray gun that was connected are installed before being inserted into.That is to say, strut member is installed preferably is configured to be supported on the tuyere stock with the mode of cantilever injection spray gun with attached linear guide and connection.Therefore, be connected to the guide, do not need other device and measure suitably to install and support guide spare and injection spray gun except linear guide being attached to strut member is installed and will be injected spray gun.
In preferred embodiment, the mechanism in the linear guide is configured to self-locking in the axial direction, thereby avoids the motion of translation do not expected of support along guidance axis, makes support not drive by the power outside the mechanism.This embodiment has increased security because this embodiment has prevented during insertions/taking-ups (that is, the injection spray gun only be fixed to equipment during) the risk that sprays of the spray gun that caused of hot-blast pressure.
According to reliable and simple and clear embodiment, the mechanism of linear guide is the driving linear actuator of axle (spindle).In this embodiment, this mechanism comprises the axle in guidance axis is rotatably installed in linear guide.Support comprises and axle engagement and rack-mount axle nut, with the rotation by axle support is moved linearly.Preferably, arrange by suitably selecting (axle and the axle nut) pairing of material and the lead angle of axle to use from lock mandrel.In alternative embodiment, mechanism can comprise chain drive, belt transmission or rack-and-pinion transmission mechanism, and wherein, support suitably is connected to chain, belt or pinion(gear), by activating transmission mechanism or gear support is moved linearly.And in this case, advantageously, mechanism be self-locking to prevent spray gun ejection, for example by self-locking brake is associated with transmission mechanism (such as self-locking worm gear).Actuator can be permanently or removably is engaged to and is used for actuation support and thereby the mechanism of translation spray gun.
Preferably, engage half one and second (belong to linear guide respectively and install strut member) first and engage half one and comprise snap-action (rapid action) fastening piece, pull down linear guide to allow apace linear guide to be attached on the tuyere stock and from tuyere stock.Under latter event, the snap-action fastening piece preferably includes the mounting bracket (stirrup) of the lever in first joint half one that can be arranged on or second joint, half one and can correspondingly be arranged on second and engages in half one or the first cooperation hook that engages in half one, linear guide is attached to the installation strut member.And in this embodiment, this equipment can further comprise the roofbolt that is positioned in arbitrary joint half one, and is positioned at another and engages chela (claw) in half one, and this chela is configured to and the roofbolt engagement, installs on the strut member thereby linear guide is blocked in.
Under mounted situation, strut member is installed permanently or removably is fixed to tuyere stock, particularly be fixed to the spray gun cover.Preferably, second engages half one comprises abutment, more specifically, comprises adjacent plate.Adjacent plate limits abutment surface, and this abutment surface is a kind of simple but be substantially perpendicular to the insertion/taking-up axis that is limited by the spray gun cover in the non-strict necessary structure.Therefore, first engages half one preferably includes anti-abutment, more specifically comprises anti-adjacent plate, and this anti-adjacent plate limits anti-abutment surface, this anti-abutment surface in a kind of simple structure perpendicular to guidance axis.A kind of intrinsic aligned simple scheme of setting forth as top that is used to provide has been provided back one embodiment.
This equipment advantageously comprises and is used for injecting the separate connection device that spray gun is connected to support, thereby makes that can be each injects the coupling device that spray gun is installed special use, thereby can further save time.In simple structure, support comprises first connection section, and coupling device comprises second connection section that can be connected to first connection section.Under latter event, coupling device preferably has to be used for fixing radial and axially and injects spray gun and make when first and second connection sections meshs and can make injection spray gun axially mobile axle collar on translated axis line by support.
Preferably, linear guide comprises at least one slender beam of limiting linear track and for example is supported on support on the linear track of beam movably by means of roller arrangements or sliding guide piece.
Advantageously, the size of linear guide forms and makes the stroke of support greater than the depth of penetration that injects spray gun.
As should be understood, the equipment that is proposed is particularly suitable for the industrial application that fuel on the tuyere stock of blast furnace injects the replacing process of spray gun (particularly oxygen-coal injects spray gun).
Description of drawings
In the mode of example preferred implementation of the present invention is described below 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 that is in the on position and injects spray gun;
Fig. 2 is the side-view according to Fig. 1, shows the fuel that is in the extracting position and injects spray gun and show the operator with as dimension reference;
Fig. 3 is used for that fuel is injected spray gun and is inserted into as the tuyere stock of Fig. 1-shown in Figure 2 and from tuyere stock and takes out the isometric transparent view that fuel injects the equipment of spray gun according to of the present invention;
Fig. 4 is the local isometric transparent view of amplification of the equipment of the Fig. 3 in the work point that is on the tuyere stock, shows linear guide and is connected to the installation strut member by means of the snap-action fastening piece;
Fig. 5 is the local isometric transparent view of amplification that is in the equipment of the Fig. 3 in the off position, and wherein linear guide is separated with the installation strut member.
From following detailed description, other details of the present invention and advantage will become apparent.
Embodiment
Fig. 1 schematically shows the traditional tuyere stock that marks with reference marker 1 generally.Tuyere stock 1 comprises air port 2, and this air port forms the downstream end of tuyere stock 1, and hot-blast is blown in the blast furnace (not shown) by this air port.Air port 2 is supported in the tuyere cooler frame 3, and this tuyere cooler frame is fixed to furnace shell, and does not form the part that hangs movably with respect to stove of tuyere stock 1.Tuyere stock 1 further comprises the blowpipe 4 of the upstream that is connected air port 2 and is connected the bend pipe 5 of the upstream of blowpipe 4.Bend pipe 5 can comprise with air port 2 axially the aligned inspection window arrange (not shown).The bend pipe 5 of tuyere stock is connected to hot-blast bustle pipe (not shown) by means of downtake (downleg) 6, hot-blast is supplied with from this hot-blast bustle pipe, by cooling stud 6, bend pipe 5 and blowpipe 4, promptly, by the pipeline conduit that forms by tuyere stock 1, to be injected in the stove by air port 2.
Fig. 1 further shows fuel and injects spray gun 10, injects spray gun such as fine coal or oxygen-coal, its insertion and be fastened to that spray gun inserts sheath 12 (being also referred to as gunjet rack) and in addition by means of keeping chain 14 to be fixed to spray gun cover 12.Such injection spray gun 10 has any known appropriate structuring, and is used for combustiblematerials is injected into hot-blast.Such spray gun cover 12 also has any known appropriate structuring, for example has the piped of being essentially structure, and especially with the insertion that acts on injection spray gun 10 and the guide of taking-up.Spray gun cover 12 comprises that also suitable valve arranges, for example comprises spherical valve 16 and check valve 17, as Fig. 1-shown in Figure 2, to prevent when taking out when injecting spray gun 10 hot-blast by 12 effusions of spray gun cover.For the purpose of this disclosure, because spray gun cover 12 is fixed to tuyere stock 1 and fixes with respect to tuyere stock, so the spray gun cover is considered to the integral part of tuyere stock 1.
In the embodiment of Fig. 1-Fig. 2,, and form from the outstanding obliquely projection 15 of blowpipe 4 to spray gun cover 12 dress flanges.Spray gun cover 12 is installed in the aligned extension of spray gun passage (not shown), and this spray gun passage passes projection 15 and passes the wall of blowpipe 4 obliquely, thereby allows spray gun 10 is inserted in the hot-blast passage in the blowpipe 4.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 being inserted in the passage that is limited by air port 2, as for example at United States Patent (USP) 5, disclosed in 451,034, its disclosure is incorporated into this by quoting as proof.Although it will also be appreciated that only to show an injection spray gun 10 and corresponding spray gun cover 12, tuyere stock 1 can comprise more than one other injection spray gun, and each all passes through corresponding sheath and inserts.
Fig. 2 shows the fuel that is in the extracting position and injects spray gun 10.In known manner, spray gun 10 has top 18 that forms the injection nozzle and the rear end 19 that comprises pipe connection, and this pipe connection for example is used for spray gun is connected to pneumatic fine coal plenum system, and for oxygen-coal spray gun, be connected to oxygen source, so that oxygen is injected in the hot-blast with fine coal.
Take turns to Fig. 3-Fig. 5 now, use description to that fuel is injected spray gun 10 and be inserted into tuyere stock 1 and take out the equipment that fuel injects spray gun from tuyere stock.This equipment design that marks with reference marker 20 becomes to allow to inject spray gun 10 conversion apace between as shown in Figure 1 on position and extracting position as shown in Figure 2 generally, and vice versa.
Comprise linear guide 22 as the equipment 20 that intactly illustrates among Fig. 3, support 24 is supported in this linear guide movably.Linear guide comprises two parallel U-shaped beams 26,28, and these two U-shaped beams are fixed together by means of head 30 and foot 32, to form resistant to bending rigid hollow frame.U-shaped beam 26,28 keeps separately with small distance by means of head 30 and foot 32 and has a parallel and adjacent flange edge, and flange is for example by means of spiral be connected to this head and foot.As shown in Figure 3, the lower flange of U-shaped beam 26,28 forms the track of four rollers 34 of supporting bracket 24.Linear guide 22 is with linear mode guide support 24, and further comprises and be used to give the mechanism of support 24 along the motion of translation of guidance axis 35.In the embodiment of Fig. 4-shown in Figure 5, this mechanism comprises threaded mandrel 36, this threaded mandrel 30 extends to foot 32 from the head, and being supported for can be around guidance axis 35 rotation, but axially fixing by means of suitable bearing, these bearings for example are separately positioned in head 30 and the foot 32 by means of the splined nut (not shown) in the foot 32 and by carry out the shoulder that horizontal turning (not shown) produces in head 30.This mechanism further comprises the axle nut 38 of the frame that is mounted to support 24, and wherein, the nut axis is coaxial and parallel with the rotating direction of roller 34 with guidance axis 35.Axle nut 38 preferably pivots and is mounted to support 24, thus make its can with the vertical and parallel axis of axle 36 with the axis of roller 34 on rotate, thereby avoided stopping of axle nut 38.The rotation of axle 36 causes the axial translation of support 24 on guidance axis 35.The stroke 37 of support 24 is by the length of the length of axle 36, beam 26 and 28 and the distance decision between head 30 and the foot 32, and is chosen to surpass slightly the depth of penetration that fuel injects spray gun 10.
Although it is not shown among Fig. 3, but be understood that, shifting coupling 40 is fixed to axle 36 in the rear end of foot 32, for example is fixed on the protuberance of axle 36, by means of external actuator (such as electronic or pneumatic (impact) spanner or the crank tightened) moment is sent to axle 36.In other words, shifting coupling 40 (not shown) are used for activating the mechanism in the linear guide 22, think that support 24 gives motion of translation.Owing to be suitable for the use of machine tool, equipment 20 allows to overcome sizable hot-blast pressure less laborious and inserts apace and inject spray gun, or even the sizable spray gun of diameter, such as oxygen-coal spray gun.
Be as should be understood, axle mechanism design in the linear guide 22 becomes (or irreversible) of self-locking, promptly, make the possible translation owing to external action (for example being applied to the hot-blast pressure on the sealing cross section that injects spray gun 10) of support 24 can not make axle 36 rotations, thereby prevent undesirable motion of support 24, and then also prevent undesirable motion of the injection spray gun 10 that connects.This by suitably selecting axle 36 and axle nut 38 material (suitably pairing material) and realize by the axle of selecting to have the lead angle that is suitable for self-locking 36.Therefore, be applied to by hot-blast pressure and insert but ejection that power on the loose injection spray gun 10 (for example during taking out) can not cause injecting spray gun 10.Though the mechanism of axle type is considered to preferred embodiment, alternative mechanism also falls within the scope of the invention, for example chain drive or belt transmission, and wherein, support is fixed to belt or chain; Or rack-and-pinion transmission rig (cogwheel mechanism), wherein, pinion(gear) is arranged on the support, and tooth bar is arranged on the linear guide.This alternative mechanism preferably also comprises the self-locking brake that is associated, and for example prevents the discharged ratchet stopper or self-locking (irreversible) worm gear of the nonlicet support motion on removing direction.
Shown in Fig. 3 is further, equipment 20 comprises and is used for and will injects the coupling device 42 that spray gun 10 is connected to first connection section 44, this first connection section for example is the form of two parallel bolt bracing frames that separate, and is fixed to support 24, and the gap of passing between the lower flange of U-shaped beam 26,28 is outstanding.Shown in Fig. 5 the best, coupling device 42 comprises around the axle collar 46 that injects spray gun 10 and for example is form of giving prominence to cross rib and second connection section 48 that can be connected to first connection section 44 on the support 24, should have the through hole that is used for being connected to bracing frame by outstanding cross rib, as shown in Figure 5 by bolt.The axle collar 46 is configured to be fixed to support 24 with injecting spray gun 10 on the radial and axial direction with respect to the spray gun axis.Though the axle collar 46 can be configured to clamp, be held on regularly by means of being threaded as shown in Figure 5 and inject spray gun 10, or be soldered to injection spray gun 10 in alternative advantageous variant, but the axle collar can be configured such that it can have path about the spray gun axis and inject rotation on the spray gun 10 to the mode in gap.A kind of modification in back has been avoided rotating the needs that inject spray gun 10 for suitably being connected to support 24.In this a kind of modification in back, two snap ring (not shown) are can be with the either side of the axle collar adjacent or be positioned at the mode clamping on this either side or be welded to and inject on the spray gun 10, with the fixing axle collar axially.As it should be noted that each injects spray gun 10 all can be provided with special-purpose coupling device 42, further saves time with realization.
When injecting spray gun 10 and be connected to the support 24 of attached linear guide 22 by means of coupling device 42 (and when the top 18 of injecting spray gun is inserted into spray gun cover 12), as shown in Figure 3, the longitudinal axis of injection spray gun 10 is parallel with guidance axis 35.It should also be noted that, in a kind of structure in back, (not shown in order not pass spray gun cover 12 intrusively and to pass the spray gun passage, for example be arranged in blowpipe 4) insert/take out, the longitudinal axis that injects spray gun 10 is inherently with the insertion that limits/taking-up axis 49 (promptly by spray gun cover 12, inject the spray gun 10 necessary axis of aiming at thereon) overlap, that is, coaxial.
Be understood that, 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, the injection spray gun 10 that equipment 20 allows to be connected to support 24 with the coaxial translated axis line (overlapping) of insertion/taking-up axis 49 with the longitudinal axis that injects spray gun 10 on translation.Linear guide 22 is connected to tuyere stock 1 carries out by means of the installation strut member 50 shown in Fig. 4 the best, Fig. 4 shows the enlarged view of the part (part of pointing out with solid line circle) of Fig. 3.
As shown in Figure 4, the installation strut member 50 of equipment 20 comprises two post flanges 52 that are fixed to spray gun cover 12 by means of the screwed union 54 of pipeline clamp type.In alternative being equal in the preferred implementation, the assembly (example spray gun cover 12 as shown in Figure 3-Figure 5) that strut member 50 can permanently be fixed to tuyere stock 1 by means of welding plant is installed.Strut member 50 is installed is further comprised the adjacent plate 56 that supports by post flanges 52.In illustrated embodiment, adjacent plate 56 is arranged to limit and insertion/taking-up axis 49 vertical abutment surfaces 57.Strut member 50 is installed further to be comprised and forms or be fixed to the edge clipping (retainer edge) 58 of this adjacent plate with adjacent plate 56 in the top and be fixed in abutting connection with the hook 60 of the end face of strut member 50.A pair of chela 62 forms or is fixed to this adjacent plate with adjacent plate 56, thereby laterally outstanding, a chela 62 is arranged on the either side.
Shown in Fig. 5 the best, linear guide 22 comprises the anti-adjacent plate 64 that limits anti-abutment surface 65, and this anti-abutment surface and guidance axis 35 (that is the rotation of axle 36) are vertical.It should be understood that surface 57,65 does not need certain and corresponding axis normal as long as guaranteeing linear guide 22 and spray gun 10 aims at.The roofbolt 66 that is the cylinder strips forms or is fixed to the downside of this anti-adjacent plate with the downside of anti-adjacent plate 64, thereby laterally gives prominence to.Shown in Fig. 3 the best, linear guide further comprises the lever 68 that is hinged to head 30, and the U-shaped chuck 70 that can adjust extrusion (reach) is hinged to this lever with centrifugation.
The chuck 70 of lever and hook 60 are formed for linear guide 22 is fastened to the snap-action fastening piece that engages strut member 50 apace together.What will also be understood that is, anti-adjacent plate 64 and roofbolt 66 form first on the linear guide 22 with chuck 70 and engage half one, firmly and removably linear guide is attached to tuyere stock 1 by predetermined orientation, is attached to more accurately strut member 50 is installed.Therefore, the collaboration elements of strut member 50 is installed, that is, adjacent plate 56, this forms second to chela 62 and hook 60 and engages half one, this second engages half one and cooperates with joint half one on the linear guide 22, with quick and safe the setting up and correct orientation (aligning) of permission linear guide 22.Fig. 4 the best shows that to be in engagement be joint half one in the joint construction, and Fig. 5 shows the exemplary separation structure of half one of joint.Under engagement situation, prevent linear guide 22 around any rotation and any side direction of its guidance axis 35 or move downward with the chela 62 of roofbolt 66 engagements, and edge clipping 58 is upwards blocking (retain) anti-adjacent plate 64 upward as Fig. 3-shown in Figure 4.It should be noted that for each tuyere stock 1 on the stove, each entry port that is used to inject spray gun 10 preferably is provided with special-purpose installation strut member 50, thereby realizes further saving time.
In view of the geometric construction that strut member 50 is installed and with respect to the preset bearing of tuyere stock 1, the guidance axis 35 of the linear guide 22 of installing is directed abreast with insertion/taking-up axis 49, thereby and make that vertical (and translation) axis and this insertion/taking-up axis 49 of any injection spray gun be connected to linear guide 22 are coaxial, shown in clear among Fig. 3.Therefore, when use equipment 20, do not inject spray gun 10 and lose time for suitably directed.Shown in further clear among Fig. 3, the weight that strut member 50 is configured to support linear guide 22 and the injection spray gun that is connected is installed.Therefore, under mounted situation shown in Figure 3, linear guide 22 is supported on the tuyere stock 1 with cantilevered fashion by means of strut member 50 is installed.
Set forth replacing process below by the spray gun 10 of use equipment 20.At first, by roofbolt 66 is inserted in the chela 62, anti-abutment surface 64 is pivoted to abutment surface 57 contacts, and close snap-action fastening piece (that is, chuck 70 being engaged in the hook 60) subsequently and linear guide 22 is engaged to strut member 50 is installed by means of lever 68.Therefore, it is directed abreast that linear guide 22 (removably) is attached to tuyere stock 1 and its guidance axis 35 and insertion/taking-up axis 49.In following step, support 24 is taken to as in the upper/lower positions, that is, the current injection spray gun 10 that has inserted that this position allows will keep in repair or abandon by means of coupling device 42 is connected to support.Be fixed to support 24 in case will inject spray gun 10, then screw out the sleeve nut 72 in the filling box 74, and can discharge maintenance chain 14 (, not shown among Fig. 3-Fig. 5) referring to Fig. 1 by the engagement of connection section 44,48.Be as should be understood, the translation mechanism in the linear guide 22 prevented the anything unexpected ejection of present loose injection spray gun 10 from Lock structure.By activating the mechanism of linear guide 22, more specifically by using shifting coupling 40 usefulness mechanical wrenches to make axle 36 rotations, now can be safely and take out apace and inject spray gun 10.Pass through spherical valve 16 in case inject spray gun, then closed this spherical valve.The clamp (catch) 76 that is fixed to linear guide 22 has prevented the falling of top 18 of the injection spray gun 10 that takes out fully.
After taking out exhausted injection spray gun 10, insert spray gun new or trimming by means of equipment 20 equally.Still erecting equipment 20, and the spray gun before separating and support 24 having been taken near after the position of foot 32 is connected to support 24 with new injection spray gun.Top 18 with new injection spray gun 10 is placed into clamp 76 tops then.According to the type of coupling device 42, then top 18 manually is incorporated into the entry port that is arranged in filling box 74 places of spray gun cover 12, and injects spray gun 10 translation on direction of insertion because the actuating of axle 36 makes by support 24.Through before the spherical valve 16, open this spherical valve on top 18.Actuating by support 24 makes and injects that spray gun 10 passes spray gun cover 12 and spray gun passage (not shown) fully inserts then, to reach its final position that is in complete depth of penetration.Be in the position of inserting fully in case inject spray gun, then close filling box 74, and make chain 14 (referring to Fig. 1) engagement by means of sleeve nut 72.After this, coupling device 42 is separated with support 24, and can use snap-action fastening piece 60,70 that linear guide 22 is separated with installation strut member 50 apace.So linear guide can be used for further purposes, the difference that for example is used in different spray guns position is installed on the strut member 50.
Claims (15)
1. one kind is used for that fuel is injected spray gun and is inserted into the tuyere stock of shaft furnace and takes out the equipment that described fuel injects spray gun from described tuyere stock, described fuel injects particularly oxygen-coal injection spray gun of spray gun, described shaft furnace is blast furnace particularly, described tuyere stock comprises the spray gun cover, described spray gun cover limits insertion/taking-up axis and is installed in the coaxial extension of spray gun passage, injecting spray gun can be inserted into described tuyere stock by described spray gun passage, and described equipment comprises:
Linear guide and the support that supports movably by described linear guide, described support be used for cooperating with injecting the coupling device that spray gun is connected to described support, thereby can described injection spray gun axially be moved along translated axis line by described support, described linear guide comprises and is used to make described support along mechanism that guidance axis moves linearly and be used for that described linear guide is mounted to first of described tuyere stock and engage half one; And
Strut member is installed, is had with described first of described linear guide and engage second joint, half one that half cooperate, so that described linear guide removably is attached to described tuyere stock;
Described installation strut member, described first engages half one and described second and engages half cage structure and become described linear guide is orientated, when the engagement of described joint half, make that the described guidance axis of described linear guide is parallel with described insertion/taking-up axis, and make that the translated axis line and the described insertion/taking-up axis of the injection spray gun be connected to described support are coaxial.
2. equipment according to claim 1, wherein, described installation support configuration becomes when described joint half one meshes and supports described linear guide with cantilevered fashion.
3. equipment according to claim 1 and 2, wherein, described mechanism is self-locking in the axial direction, to avoid the undesirable motion of translation of described support along described guidance axis.
4. according to claim 1,2 or 3 described equipment, wherein, described mechanism comprises around described guidance axis and is rotatably installed in axle in the described linear guide, and described support comprises the axle nut that is arranged on the described axle, with rotation described support is moved linearly by described axle, wherein, the lead angle of the matching materials of described axle and described axle nut and described axle is chosen to preferably make that described mechanism is self-locking.
5. according to claim 1,2 or 3 described equipment, wherein, described mechanism comprises chain drive or belt transmission or rack-and-pinion transmission mechanism, described chain drive or belt transmission or rack-and-pinion transmission mechanism are configured for making described support to move linearly, and preferably to be configured to be self-locking.
6. according to each described equipment in the aforementioned claim, wherein, described first joint half one and described second engages half one and comprises the snap-action fastening piece.
7. equipment according to claim 6, wherein, described snap-action fastening piece comprises that being positioned at described first joint half one or described second engages the mounting bracket of the lever in half one and correspondingly be positioned at described second joint 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.
8. according to claim 6 or 7 described equipment, comprise that further being positioned at described first joint half one or described second engages the roofbolt in half one and correspondingly be positioned at described second joint half one or described first chela that engages in half one, described chela is configured to and described roofbolt engagement, thereby described linear guide is blocked on the described installation strut member.
9. according to each described equipment in the aforementioned claim, wherein, described installation strut member permanently or removably is fixed to described tuyere stock, particularly be fixed to described spray gun cover, and wherein, described second engages half one comprises the abutment that limits abutment surface, particularly adjacent plate, and described abutment surface is preferably perpendicular to the described insertion/taking-up axis that is limited by described spray gun cover.
10. equipment according to claim 9, wherein, described first engages half one comprises the anti-abutment that limits anti-abutment surface, particularly anti-adjacent plate, described anti-abutment surface is preferably perpendicular to described guidance axis.
11., further comprise being used for and injecting the coupling device that spray gun is connected to described support according to each described equipment in the aforementioned claim.
12. equipment according to claim 11, wherein, described support comprises first connection section, and wherein, described coupling device comprises and is used for fixing the axle collar that injects spray gun and second connection section that can be connected to described first connection section radial and axially, thereby can described injection spray gun axially be moved along described translated axis line by described support.
13. according to each described equipment in the aforementioned claim, wherein, described linear guide comprises at least one slender beam that limits linear track, described support is supported on the described linear track of described beam movably.
14. according to each described equipment in the aforementioned claim, wherein, the size of described linear guide forms and makes the stroke of described support greater than the depth of penetration that injects spray gun.
15., be used to change fuel on the tuyere stock of blast furnace and inject spray gun, particularly oxygen-coal and inject spray gun according to the application of each described equipment in the aforementioned claim.
Applications Claiming Priority (3)
| 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 | ||
| PCT/EP2009/058683 WO2010006977A1 (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102099495A true CN102099495A (en) | 2011-06-15 |
| CN102099495B CN102099495B (en) | 2013-09-25 |
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 Before (1)
| 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 |
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) |
Families Citing this family (3)
| 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 |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6134412A (en) * | 1984-07-26 | 1986-02-18 | Nec Corp | Apparatus for measuring inside of furnace |
| FR2584487A1 (en) * | 1985-07-02 | 1987-01-09 | Kawasaki Steel Co | METHOD AND DEVICE FOR MONITORING COMBUSTION IN AN OVEN. |
| JPH02182818A (en) * | 1989-01-06 | 1990-07-17 | Nkk Corp | Apparatus for sequentially taking out sample in blast furnace |
| JPH03249111A (en) * | 1990-02-28 | 1991-11-07 | Nkk Corp | Temperature measuring device for melt and gas in blast furnace |
| JPH05148521A (en) * | 1991-11-22 | 1993-06-15 | Nkk Corp | Measuring instrument for furnace condition in blast furnace |
| KR20040019479A (en) * | 2002-08-28 | 2004-03-06 | 주식회사 포스코 | Apparatus for drawing out fine coal blowing lance and reforming deflected portion thereof in blast furnace |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU60607A1 (en) * | 1969-06-06 | 1970-05-26 | ||
| US3643508A (en) * | 1969-12-15 | 1972-02-22 | Dango & Dienenthal Kg | Device for removing gas and furnace charge probes from shaft furnaces and/or for taking temperature and gas pressure measurements in the interior space of the furnace |
| 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 |
| 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 |
| 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 |
| JPH05148520A (en) * | 1991-11-22 | 1993-06-15 | Nkk Corp | Measuring instrument for furnace condition in blast furnace |
| DE69322002T2 (en) * | 1992-07-01 | 1999-04-01 | Paul Wurth S.A., Luxemburg/Luxembourg | Device for blowing coal dust into 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 |
| 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 |
| JPH08176624A (en) * | 1994-12-28 | 1996-07-09 | Nippon Steel Corp | Device for taking off burner for blowing pulverized coal |
| JPH10140219A (en) * | 1996-11-07 | 1998-05-26 | Azuma Tekko Kk | Heat resistant and wear resistant lance for blast furnace |
| 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 |
-
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 US US13/054,135 patent/US20110109024A1/en not_active Abandoned
- 2009-07-08 CN CN2009801275564A patent/CN102099495B/en not_active Expired - Fee Related
- 2009-07-08 RU RU2011105055/02A patent/RU2499055C2/en not_active IP Right Cessation
- 2009-07-08 CA CA2729523A patent/CA2729523A1/en not_active Abandoned
- 2009-07-08 BR BRPI0916796A patent/BRPI0916796A2/en not_active IP Right Cessation
- 2009-07-08 WO PCT/EP2009/058683 patent/WO2010006977A1/en active Application Filing
- 2009-07-08 EP EP09780328A patent/EP2297364A1/en not_active Withdrawn
- 2009-07-08 UA UAA201101434A patent/UA100907C2/en unknown
- 2009-07-08 KR KR1020117003341A patent/KR20110031380A/en not_active Application Discontinuation
- 2009-07-08 AU AU2009272845A patent/AU2009272845B2/en not_active Expired - Fee Related
- 2009-07-08 JP JP2011517875A patent/JP5422648B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6134412A (en) * | 1984-07-26 | 1986-02-18 | Nec Corp | Apparatus for measuring inside of furnace |
| FR2584487A1 (en) * | 1985-07-02 | 1987-01-09 | Kawasaki Steel Co | METHOD AND DEVICE FOR MONITORING COMBUSTION IN AN OVEN. |
| JPH02182818A (en) * | 1989-01-06 | 1990-07-17 | Nkk Corp | Apparatus for sequentially taking out sample in blast furnace |
| JPH03249111A (en) * | 1990-02-28 | 1991-11-07 | Nkk Corp | Temperature measuring device for melt and gas in blast furnace |
| JPH05148521A (en) * | 1991-11-22 | 1993-06-15 | Nkk Corp | Measuring instrument for furnace condition in blast furnace |
| KR20040019479A (en) * | 2002-08-28 | 2004-03-06 | 주식회사 포스코 | Apparatus for drawing out fine coal blowing lance and reforming deflected portion thereof in blast furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110109024A1 (en) | 2011-05-12 |
| JP2011528065A (en) | 2011-11-10 |
| KR20110031380A (en) | 2011-03-25 |
| RU2011105055A (en) | 2012-08-20 |
| EP2297364A1 (en) | 2011-03-23 |
| CN102099495B (en) | 2013-09-25 |
| CN201301322Y (en) | 2009-09-02 |
| CA2729523A1 (en) | 2010-01-21 |
| UA100907C2 (en) | 2013-02-11 |
| BRPI0916796A2 (en) | 2019-09-24 |
| AU2009272845B2 (en) | 2013-11-28 |
| RU2499055C2 (en) | 2013-11-20 |
| AU2009272845A1 (en) | 2010-01-21 |
| WO2010006977A1 (en) | 2010-01-21 |
| LU91462B1 (en) | 2010-01-15 |
| JP5422648B2 (en) | 2014-02-19 |
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