CN201637271U - Middle supporting type head and tail sealing device of sintering machine - Google Patents
Middle supporting type head and tail sealing device of sintering machine Download PDFInfo
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- CN201637271U CN201637271U CN2010201362651U CN201020136265U CN201637271U CN 201637271 U CN201637271 U CN 201637271U CN 2010201362651 U CN2010201362651 U CN 2010201362651U CN 201020136265 U CN201020136265 U CN 201020136265U CN 201637271 U CN201637271 U CN 201637271U
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Abstract
The utility model relates to the field of sintering machines, in particular to a sealing device for end parts of an air box of the sintering machine, especially a middle supporting type head and tail sealing device of the sintering machine, which is used in the processes of sintering and balling production in smelting industry, and comprises a plurality of sealing cover plates that are arranged along with the length direction of a bottom beam of a trolley, a middle supporting mechanism, a base, an ash discharge hopper, an ash discharge valve and the air box; the positions of the supporting point for supporting the sealing cover plates are positioned at the middle gravity centers of the sealing cover plates which can swing flexibly around the supporting points; support rods are sealing support rods of cambered-surface support, support levers or adjustable pull rods with springs; the bottom surfaces of two ends of each sealing cover plate are respectively provided with a lapping sealing mechanism to form two horizontal negative-pressure contact linear seals; and sealing is realized by reasonably utilizing the negative pressure of the air box, and the safety limit of the sealing cover plates is formed by a limit mechanism. The middle supporting type head and tail sealing device of the sintering machine can stably and effectively carry out sealing on the head and tail parts of the sintering machine for a long time, reduce air leakage ratio of the sintering machine, improve yield, reduce energy consumption, prolong the service lives of the sealing cover plates and the trolley and decrease the cost of the sintering machine.
Description
Affiliated field
The utility model relates to employed sintering machine apparatus field in smelting industry sintering and the pelletizing production process, particularly a kind of middle part supporting type head-tail sealing device of sintering machine.
Background technology
In the prior art, sintering machine wind box is loaded on the sintering pallet below, on trolley track, move after filling compound on the sintering pallet, light a fire at the compound top through ignition furnace, bellows are from the chassis downdraft, make compound by the downward sintering in sintering pallet top, in order to make bellows reach good exhausting effect, just must guarantee between sintering machine wind box and the chassis reliable sealing is arranged, do not produce and leak out or only produce the least possible leaking out, the trip plate sealing that install by bellows slideway and chassis both sides the bellows both sides, the both ends end to end of bellows seal by sintering machine wind box end sealing apparatus, and this sealing device is commonly called " sintering machine head-tail sealing device " or " sintering machine wind box end sealing apparatus " in the sintering industry.The sealing plate that contacts with the chassis bottom surface in the sealing device is commonly called seal cover board or upper cover plate.
Prior art mainly adopts parallel four connecting rods sealing, spring to support various ways such as sealing, rubber spring combination sealing, magnetic seal, rotary pair and the sealing of kinematic pair combined support, these sealing ubiquities leak out, buildup, seal cover board and chassis contact force are big in the seal case, make shortcomings such as wearing and tearing increasing, very flexible, mechanism's complexity, repair and maintenance difficulty, service life is short, can't satisfy the requirement of SINTERING PRODUCTION.
Utility model patent 02291664.X is the typical technology of parallel four connecting rods sealing with 200720062307.X, need higher processing precision and installation accuracy accurately, otherwise interference will appear, sealing device ubiquity after the installation just can be depressed seal cover board with bigger power, when seal cover board is depressed, after cancelling the power of depressing, seal cover board can not rise again flexibly, can only be by increasing the way of counterweight, seal cover board after depressing is added to till can rise, contact force was very big when chassis contacted with seal cover board, generally all need in the use to pull down seal cover board with the limit pull rod bolt, make seal cover board and chassis bottom surface less clearance occur, the seal cover board after the installation can only move downward, and can not move upward.Flexibility is relatively poor, when lower flexure strain appears in chassis, bigger contact force causes the wearing and tearing of seal cover board and chassis bottom surface more serious, and seal cover board is dumb, causes between the seal cover board material extrusion in the slit not remove, after using a period of time, polylith seal cover board quilting asphyxia by external pressure on the chest and abdomen, it is less the new sealing inleakage of installing to occur, and one, after two months, seal cover board is significantly raise the air leak rate of air curtain of sintering machine by thorough asphyxia by external pressure on the chest and abdomen.The located lateral of the seal cover board of this kind form sealing device and sealing support bar, sealing support bar and arc surface bearing also exists leaks out, lower floor's shoulder of the location-plate at the U type groove two ends of employing seal cover board and gripper shoe processing is located, reaching arc surface more comprehensively contacts with U type groove, location-plate will maintain certain clearance with the side of shoulder and shoulder, often by the logistics erosive wear that flows fast, inleakage strengthens gradually in gap herein.
For making seal cover board energy flexible motion, satisfy the requirement of SINTERING PRODUCTION, patent of invention 200310105252.2, the sealing device that utility model 200520051354.5,200720063812.6,200720011982.X etc. are provided, it is the sealing of typical rotary pair and kinematic pair combined support, change two original rotary pairs into a rotary pair and a kinematic pair, the free degree of mechanism becomes 2 by 1, and seal cover board adds rotation by can only translation becoming translation.Flexibility ratio is greatly enhanced.
In the patent of invention 200310105252.2 " the automatic adjustable type sealing device of the upper cover plate that sintering machine seals from beginning to end ", location sealing cramp bar and rigid seal plate form two seals, because the distance between the two seals is shorter, it is more serious to scurry the wind phenomenon, upper cover plate surface ubiquity material between the two seals washes away phenomenon, the rigid seal plate is to ride over the bellows side, the rigid seal plate will overcome the bellows high negative and seal, the rigid seal plate is easy to be started by higher bellows negative pressure, in the utility model patent 200420055641.9 " constant force of sintering machine; negative pressure; comprehensive engagement formula head-tail sealing device ", patent of invention is improved, its structure is still by kinematic pair, rotary pair is formed, analyze from mechanism principle, the translation that realizes seal cover board adds rotation, the free degree that makes mechanism is 2, kinematic pair is the superfluous constraint that can cancel fully, structure through the sealing device after improving is complicated more, overall weight is bigger, under the less situation in sintering machine head and the tail space, it is bigger to implement difficulty.
Casing below falling into for fear of the slit of material between seal cover board, form solid accumulation and influence sealing effectiveness, mostly adopt two kinds of ways: a kind of substrate that an integral body is set below the polylith seal cover board, perhaps block up the slit between seal cover board with refractory fibrous material.See utility model patent 200720062307.X, 200720063808.X and 200820232049.X.This will cause slit between the polylith seal cover board by the material asphyxia by external pressure on the chest and abdomen, make the flexibility decrease of the elasticity monolith substrate under the seal cover board, be difficult to can not reach the sealing effectiveness of anticipation along with the distortion of chassis bottom surface.Another kind is provided with an ash bucket that has ash-removing valve below seal cover board, the material that will fall in the ash bucket the slit between the polylith seal cover board is emitted by ash-removing valve.
The all-metal magnetic sealing means that softens: utility model patent 02294527.X, be on seal cover board, to be provided with magnetic adsorbing block, absorption dust or buildup on the seal cover board, the dust or the buildup of absorption form sealant between seal cover board and chassis, but sintered material belongs to weak magnetic, absorption affinity is very little, under up to the bellows negative pressure more than the 14Kpa, material between upper cover plate and the chassis bottom surface is sucked into bellows with very fast speed, not only do not play sealing function, flow velocity material faster also causes erosive wear to upper cover plate and chassis bottom surface.In the serious service life that shortens chassis, the chassis bottom surface forms leaks out behind the irregular ditch uncontrollablely, and magnet piece will be very fast by demagnetization also at high temperature.
Spring supports sealing and rubber spring combination sealing, because spring double tempering at high temperature lost efficacy, rubber will lose efficacy in time more than 350 ℃ moment, rubber aging speed under long term high temperature is very fast, the big more counter-force of the drafts of spring is also just big more, also must adjust the limit pull rod bolt and make seal cover board and chassis that certain clearance be arranged, so the seal flexibility of these two kinds of forms and reliability are all relatively poor.
Weight arm formula sealing device, with utility model patent 99247298.9 " weight arm formula sealing device ", 85202489 " gravity oscillation plate type sealing devices " and patent of invention 200710158348.3 " dynamic sealing method of sintering pallet bottom and air box separated beam and sealing device " are the typical case, its shortcoming is: lever one end contacts with the chassis bottom surface is linear, because the chassis bottom surface is not a complete plane, when lever motion when not contacting with the beam of chassis, it is bigger to scurry the wind phenomenon, the length that this technology is fit to sealing surface is little, sealing surface is the occasion on a complete plane, and this technology very short time is not just located to use at sintering machine from beginning to end.
Patent of invention 01124962.5 " the lever curved face sealing devices of a kind of sintering pallet and bellows ", wherein " power that every float trip plate and floating cover are upwards floated is to be produced by the effect that the other end is furnished with the lever of weight ", " floating cover is supported by many cover plate purlins; every cover plate purlin is under the effect of the lever of corresponding counterweight with it; carrying cover plate and making it and upwards floating ", " on unsteady trip plate that cuts out a right-angled trapezium piece of floating cover and unsteady slideway end " or the like.Those skilled in the art is difficult to understand to these imaginations, and subject matter is as follows: 1, lever does not support near the center of gravity of seal cover board, but is bearing in an end of seal cover board, and the seal cover board of laying particular stress on will contact with the chassis bottom surface is linear.If 2 every seal cover boards are supported by a purlin, by an end of lever supporting purlin, the seal cover board of laying particular stress on more can only make linear contact aggravation again.Purlin is if the monolith substrate under the polylith seal cover board, and lever supporting an end of monolith substrate, also will make seal cover board contact aggravation with the linearity of chassis.3, the chassis bottom surface generally is higher than the trip plate 10-15mm that is installed in platform two side lower parts, the two ends of seal cover board are ridden on the slideway that floats, after chassis trip plate is depressed seal cover board, will make seal cover board and chassis bottom surface the gap of 10-15mm occur, can cause bigger leaking out.This technology loses contact with reality and can't use at all.
The sealing device of the various ways of prior art, fail to satisfy the requirement that SINTERING PRODUCTION is used so venerate, mainly cause by following reason, one, the tightness that covets and seal, its method is that the slit between seal cover board is blocked up by force, cause material extrusion between the polylith seal cover board and flexible motion independently, make whole device lose flexibility, sealing effectiveness reduces significantly.Being used in and adding a monolith substrate, refractory fibrous material under the seal cover board with the stifled first-class way in the slit between seal cover board, as air-cell type profiling sealing device, low latitude self-adjustable flexible seal device, sintering machine head end, tail sealing device or the like, is the typical case of sealing of coveting.Two, the site environment of separation instrumentation use, pursue with higher precision device, form with hydraulic pressure or air bag and two kinematic pairs of four connecting rods formation, utilize the round steel slit of removing leak stopping wind from top to bottom, material makes round steel sealing off gap closely, round steel and place, slit consequently under the environment of long-term particulate dust, can't be realized sealing state steady in a long-term by erosive wear.Utility model patent 200420055641.9 " constant force of sintering machine, negative pressure, comprehensive engagement formula head-tail sealing device ", 200720062307.X " sintering machine wind box is sealing device end to end ", 200720063808.X " sintering machine wind box end sealing apparatus ", 200820232049.X " low latitude self-adjustable flexible seal device " or the like are the environments for use that loses contact with reality, and are to pursue precision, baroque typical case.
The sintering machine of existing patented technology various ways seals from beginning to end, all thirst for seeking easyly being suitable for, manufacturing and installation accuracy is lower, sealing effectiveness is steady in a long-term, adapt to on-the-spot environment for use, satisfy the method for the head and the tail sealing that SINTERING PRODUCTION requires more.What sintering machine was located from beginning to end leaks out near 30% of sintering machine air leak rate of air curtain, can be good at blocking leaking out that sintering machine locates from beginning to end, and the cost that reduces sintering deposit is had very important meaning.
Summary of the invention
For solving the problem that prior art exists, the utility model provides a kind of middle part supporting type head-tail sealing device of sintering machine.
The utility model is realized by following technical proposals:
The middle part supporting type head-tail sealing device of sintering machine of the present utility model; Comprise a plurality of seal cover boards of arranging along chassis bottom girder length direction or with the seal cover board of lower frame; The middle supporting mechanism that is connected of seal cover board therewith; The base of sealing device; Base is connected therewith puts ash bucket; Be located at the ash-removing valve that this puts the ash bucket bottom; Bellows; It is characterized in that described middle supporting mechanism is for cambered surface bearing sealing support bar, support lever or with the adjustment pull bar of spring; The position of the fulcrum of this supporting mechanism is the center of gravity place, middle part of seal cover board
Be provided with lap seal mechanism in bottom surface, described seal cover board two ends; This lap seal mechanism is by the lap seal plate suspension bracket with the pipe of gap; By the stop screw lap seal plate with round steel that is connected of lap seal plate suspension bracket therewith; The overlap joint seat that overlaps mutually of lap seal plate forms therewith; The round steel of described lap seal plate inserts in the pipe of lap seal plate suspension bracket; This lap seal plate is overlapped on the overlap joint seat; Described lap seal plate is overlapped on a dorsad side of bellows of overlap joint seat; Form horizontal twice linear sealing
Bottom surface, seal cover board two ends in the described lap seal plate suspension bracket outside is provided with position-limit mechanism; This position-limit mechanism is by spacing pivoting support; The Limit screw that is hinged of spacing hinged-support therewith; Therewith Limit screw be connected position-limited rack and therewith the adjusting nut that is complementary of the lower end of Limit screw form; This Limit screw passes the circular hole of position-limited rack and screws in adjusting nut in the lower end of Limit screw; Adjust the adjusting nut that screws in; Make seal cover board above be higher than the bottom surface 8-12mm of chassis; Consist of the safe spacing of seal cover board
Described cambered surface bearing, overlap joint seat, position-limited rack are connected with the base of described sealing device, and the described ash bucket of putting is located in the base, described ash-removing valve be connected put ash bucket below.
Described cambered surface bearing sealing support bar is by the sealing support bar, hang over the balancing weight of this sealing support bar one end, be located at the cambered surface support member of this sealing support bar other end, be located at the U-lag of this sealing support bar middle part downside, the U-lag that seals support bar middle part downside is therewith made the cambered surface bearing that is slidingly matched, this cambered surface bearing is formed with the alignment pin that the middle part of described sealing support bar is connected, described cambered surface supports support is in the U-lag of the middle part of described seal cover board downside, described cambered surface seat supports is in the downside U-lag of described sealing support bar, the middle part of this sealing support bar is connected with the cambered surface bearing by alignment pin, form single pole and support sealing together, the degree of depth of described U-lag is 20-35mm.
One end of described support lever is hinged by the lower frame of jointed shaft and described seal cover board, and the other end of this support lever is hung counterweight, and the intermediate support of this support lever is hinged by jointed shaft and bearing, constitutes the sealing device of single support lever.
The described adjustment pull bar that has a spring is hinged by the lower frame of hinge and seal cover board, and this adjusts on the body of rod of pull bar spring is housed, and this bottom of adjusting pull bar penetrates in the circular hole of base, and this lower end of adjusting pull bar is provided with the adjustment nut.
Gap is established in the both sides, U-lag middle part of described seal cover board, and this gap is slidingly matched with the alignment pin that is installed on the sealing support bar, has formed the located lateral to seal cover board.
Open and clear mouthful of the pipe middle part of described lap seal plate suspension bracket band gap, the gap that open at stop screw that the round steel middle part of lap seal plate connects and pipe middle part is slidingly matched, and forms the located lateral to the lap seal plate.
Gap is established in the both sides, U-lag middle part of described sealing support bar, and gap is slidingly matched with the alignment pin that is installed on the cambered surface bearing, forms the located lateral to the sealing support bar.
The middle part supporting type head-tail sealing device structure of sintering machine of the present utility model is more simple and practical, the position of supporting seal cover board is the center of gravity place, middle part of seal cover board, seal cover board can be swung with the fulcrum place flexibly, rationally utilize the bellows negative pressure to realize reliable and stable sealing, the installation of seal cover board only has two connecting bolts, it is the connecting bolt of seal cover board and base, be again the spacing and spacing bolt of scope of activities seal cover board of safety, overall structure is compared with prior art easier, flexible, safe and reliable, installation is simple and convenient.Reduce the air leak rate of air curtain of sintering machine significantly, solved the ubiquitous problem of existing sealing, reached raising output, cut down the consumption of energy, prolonged the service life of seal cover board and chassis, reduced the repair and maintenance amount, reduced the purpose of the cost of sintering deposit.
The utility model is provided with three seals below seal cover board, make sintering machine wind box up to the negative pressure more than the 14KPa, could arrive outside normal pressure through three transition, and sealing effectiveness also will significantly improve.Compare with twice, single track sealing, scurry the wind phenomenon and obtained significantly reducing, the material of seal cover board washes away phenomenon also will significantly be alleviated, and the wearing and tearing of seal cover board and chassis bottom surface will reduce significantly.
The operation principle of the middle part supporting type head-tail sealing device of the utility model sintering machine:
1) after the counterweight of described sealing support bar or lever is increased to the seal cover board rise gradually, adjust the adjustment nut on the spacing screw rod, make seal cover board above be higher than about the 8-10mm of chassis bottom surface, when the design of sealing device, the drafts when being pressed onto seal cover board above the bottom surface contact balancing weight is decided to be about 35mm.The seal cover board of this moment can move between the 35mm under the 10mm on the chassis bottom surface, and when indeformable chassis passes through sealing device, seal cover board will be depressed into normal operation position, when the chassis lower flexure strain is no more than 35mm, and can safe passing through.
By repeatedly adjusting the counterweight amount, adjust to seal cover board motion very flexibly the time.Just can determine the counterweight amount of other group seal cover board.Seal cover board is connected with the base of bottom and has only two spacing screw rods, and is very convenient simple and direct during installation.
2) when described supporting mechanism is form of springs, at first, adjust the bolt of two spacing screw rods, make the seal cover board that has lower frame above be higher than chassis bottom surface 8-10mm, constituted the seal cover board slewing area spacing, safety is spacing and the lap seal plate can not break away from the spacing of overlap joint seat.Afterwards, the adjustment nut of the adjustment pull bar by twisting spring, compression or pull-off spring make the upper surface and the chassis bottom surface that have lower frame that less clearance be arranged.
Because sealing device is provided with three roads or the contact seal of twice negative pressure, make between the outer normal atmosphere (An) of above negative pressure of the interior 14Kpa of bellows and sealing device, the variation of 3 times or 2 times pressure has appearred, the lap seal plate rides over an overlap joint seat side of bellows dorsad, under the effect of bellows negative pressure, the lap seal plate is tightr with contacting of overlap joint seat, can obtain sealing reliably steady in a long-term.Because the lap seal plate is that line contacts with contacting of overlap joint seat, its contact force is also less relatively, and is also less relatively to the influence that the flexibility of seal cover board causes.
The utility model has the advantages that:
1, because lever supports the middle part of seal cover board, and seal cover board has also formed lever motion, has external force to act on seal cover board slightly, seal cover board will produce motion.The frictional force of seal cover board and chassis is less in the use, and prolong relative the service life of seal cover board and chassis.
2, multiple-sealed formation 3 times or 2 pressure variations, rationally utilized the negative pressure of bellows to carry out the sealing of contact, because the lap seal plate is overlapped on the side that sealing device deviates from bellows, below the faying surface lap seal plate, sealing place can not be subjected to the influence of material, lap seal is under the effect of negative pressure, and sealing effectiveness has been realized long-term reliable and stable, compares better effects if with the single track and the double sealing of prior art.
3, seal cover board, sealing support bar, lap seal plate adopt the form of gap and alignment pin sliding-contact location, and be safe and reliable, improved sealing effectiveness.
4, establish between the two seals under the seal cover board and put ash bucket, the material that enters below the seal cover board can be emitted easily, material deposition affects seal cover board phenomenon flexibly can not occur.
5, every seal cover board all can independently move flexibly, has better sealing effectiveness for the serious chassis of lower flexure strain.
6, form by the polylith seal cover board owing to sealing device, leave the thermal expansion slit between the seal cover board, when the chassis lower flexure strain, seal cover board can change along with the variation of chassis downwarp, because seal cover board is very flexible, the bottom surface of differing heights chassis makes adjacent seal cover board produce variation up and down inequality, and the relative motion between adjacent seal cover board makes the slit between the seal cover board be difficult for material stock, and the flexibility long-term stability of seal cover board is constant.
7, the spacing screw rod of safety is different fully to the seal cover board role with the limit pull rod bolt of prior art, the spacing screw rod of present technique safety is to have limited the position of seal cover board at the above 8-12mm of chassis operate as normal face, it is spacing to be that seal cover board can satisfy the scope of activities in when sealing, also be avoid seal cover board and sealing support bar to break away from and the lap seal plate can not break away from the safety of overlap joint spacing.It is to make the use of seal cover board and chassis bottom surface retention gap spacing that prior art is adjusted the limit pull rod bolt.The seal cover board of present technique can be in scope of activities flexible motion, the seal cover board of prior art can only move below the chassis bottom surface after installing.
8, because the degree of depth of U-lag is 20-35mm, reach more than three times of safe position-limit mechanism stroke,, guarantee security seal so moving up and down of chassis seal cover board can not make chassis seal cover board and middle part supporting mechanism be separated.
9, overall structure is very simple and direct, installation is simple, easy to maintenance, and the sealing surface length of sealing device is in the 970mm, and seal cover board is in the 235mm to the height of base, is more suitable for installing and using under the less situation in sintering machine head and the tail space.If will use the capable transformation of sintering machine of existing sealing device more convenient.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the B-B profile of Fig. 1.
Fig. 4 is the I portion zoomed-in view of Fig. 1.Fig. 4-1 is that the A of Fig. 4 is to view.
Fig. 5 is lap seal plate motion dislocation figure.
Fig. 6 is lap seal plate motion analysis figure.
Fig. 7 is that the structural representation lever of another embodiment of the present utility model supports seal cover board figure.
Fig. 8 is the C-C profile of Fig. 7.
Fig. 9 is that the structural representation spring of another embodiment of the present utility model supports seal cover board figure.
Figure 10 is the D-D profile of Fig. 9.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.
As Fig. 1,7, shown in 9, the middle part supporting type head-tail sealing device of sintering machine of the present utility model, comprise a plurality of seal cover boards of arranging along chassis bottom girder length direction that have lower frame 1, the middle part supporting mechanism that is connected of seal cover board 1 therewith, the base 11 of sealing device, base 11 is connected therewith puts ash bucket 12, be located at the ash-removing valve 13 that this puts ash bucket 12 bottoms, bellows 14, it is characterized in that described middle part supporting mechanism is cambered surface bearing sealing support bar, support lever or have the adjustment pull bar of spring, the position of the fulcrum of this supporting mechanism is the center of gravity place, middle part of seal cover board
As Fig. 1, shown in 4, be provided with lap seal mechanism in bottom surface, described seal cover board 1 two ends, this lap seal mechanism is by the lap seal plate suspension bracket 3 of the pipe of band gap, by the stop screw 4 lap seal plate 5 that has round steel that is connected of lap seal plate suspension bracket 3 therewith, 6 compositions of overlap joint seat of overlapping mutually of lap seal plate 5 therewith, the round steel of described lap seal plate 5 inserts in the pipe of lap seal plate suspension bracket 3, this lap seal plate 5 is overlapped on the overlap joint seat 6, described lap seal plate 5 is overlapped on overlap joint seat 6 side of bellows dorsad, form horizontal twice linear sealing
Bottom surface, seal cover board two ends in described lap seal plate suspension bracket 3 outsides is provided with position-limit mechanism; This position-limit mechanism is by spacing pivoting support 7; The Limit screw 8 that is hinged of spacing hinged-support 7 therewith; Therewith Limit screw 8 be connected position-limited rack 9 and therewith the adjusting nut 10 that is complementary of the lower end of Limit screw 8 form; This Limit screw 8 passes the circular hole of position-limited rack 9 and screws in adjusting nut 10 in the lower end of Limit screw 8; Adjust the adjusting nut 10 that screws in; Make seal cover board 1 above be higher than the bottom surface 8-12mm of chassis; Consist of the safe spacing of seal cover board 1
Described cambered surface bearing, overlap joint seat 6, position-limited rack 9 are connected with the base 11 of described sealing device, and the described ash bucket 12 of putting is located in this base 11, and described ash-removing valve 13 is connected the lower end of putting ash bucket 11.
In embodiment as shown in Figure 1, described cambered surface bearing sealing support bar is by sealing support bar 2a-1, hang over the balancing weight 2a-2 of this sealing support bar 2a-1 one end, be located at the cambered surface support member of this sealing support bar 2a-1 other end, be located at the U-lag of this sealing support bar middle part downside, the U-lag that seals support bar 2a-1 middle part downside is therewith made the cambered surface bearing 2a-3 that is slidingly matched, this cambered surface bearing 2a-3 forms with the alignment pin 2a-4 that the middle part of described sealing support bar 2a-1 is connected, described cambered surface supports support is in the U-lag of the middle part of described seal cover board 1 downside, described cambered surface bearing 2a-3 is supported in the downside U-lag of described sealing support bar 2a-1, the middle part of this sealing support bar 2a-1 is connected with cambered surface bearing 2a-3 by alignment pin 2a-4, form single pole and support sealing together, the degree of depth of described U-lag is 20-35mm.
In the embodiment shown in Fig. 7,8, the end of described support lever 2b-2 is hinged by the lower frame 2b-1 of jointed shaft 2b-5 and described seal cover board, the other end of this support lever 2b-2 is hung counterweight 2b-3, the intermediate support of this support lever is hinged by jointed shaft 2b-6 and bearing 2b-4, constitutes the sealing device of single support lever.
In the embodiment shown in Fig. 9,10, the lower frame 2c-1 that the described adjustment pull bar 2c-4 that has spring 2c-2 passes through hinge 2c-3 and seal cover board is hinged, on the body of rod of this adjustment pull bar 2c-4 spring 2c-2 is housed, this bottom of adjusting pull bar 2c-4 penetrates in the circular hole of base 10, this lower end of adjusting pull bar 2c-4 is provided with adjusts nut 2c-5, constitutes the single sealing device that supports of the adjustment pull bar 2c-4 that has spring 2c-2 together.
As shown in Figure 2, gap 1-1 is established in both sides, the U-lag of described seal cover board 1 middle part, and this gap 1-1 and the alignment pin 2a-4 that is installed on the sealing support bar 2a-1 are slidingly matched, and have formed the located lateral to seal cover board.
Shown in Fig. 4,4-1, open and clear mouthful of 3-1 in pipe middle part of described lap seal plate suspension bracket 3 band gap, the stop screw 4 that the round steel middle part of lap seal plate connects is slidingly matched with the gap 3-1 that open at the pipe middle part, forms the located lateral to the lap seal plate.
As shown in Figure 3, gap 2a-1-1 is established in both sides, the U-lag of described sealing support bar 2a-1 middle part, and gap is slidingly matched with the alignment pin 2a-4 that is installed on the cambered surface bearing 2a-3, forms the located lateral to the sealing support bar.
When chassis 15 lower flexure strains are serious, the drafts difference of adjacent seal cover board 1, adjacent lap seal plate may produce relatively large rotation, has caused two adjacent lap seal plates, 5 dislocation, phenomenon shown in Figure 5 occurs, has caused and has leaked out.The utility model adopts form shown in Figure 6, when normal chassis 15 contacts with seal cover board 1, OA is respectively the cambered surface center of circle on cambered surface bearing 2a-3 and the sealing support bar 2a-1, sealing support bar 2a-1 is to be the center of circle with the O point, with OA is that radius moves in a circle, AC is the tangent line that circle A is ordered, when designing, wants the center line of two lap seal plates 5 parallel AC, be that DE, FG are parallel to AC, like this can be when the serious chassis of lower flexure strain pass through seal cover board, it is very approaching that two adjacent lap seal plates 5 can not produce corner.The correct layout of lap seal plate has guaranteed the reliable and effective of sealing.
The middle part supporting type head-tail sealing device of the utility model sintering machine, with single sealing they sup-port seal cover board middle part and the seal cover board two ends combined form of a screw rod of limiting, not use in the existing similar technology, single seal bar supports with two bars supports and compares, its flexibility also will increase substantially, structure is also very simple, and installation and repairing, maintenance have more practicality with very convenient than existing multiple sealing device. Establish two groups of ash buckets between the three seals, when making negative pressure higher in the bellows by sealing device, must there be three pressure to change, the combination that single sealing they sup-port seal cover board and twice have rationally utilized the lap seal plate of bellows negative pressure to form, make sealing effectiveness more reliable and more stable, the combination of this form will make existing sintering machine hermetically-sealed construction more simple and practical.
Claims (7)
1. the middle part supporting type head-tail sealing device of a sintering machine; Comprise a plurality of seal cover boards of arranging along chassis bottom girder length direction or with the seal cover board of lower frame; The middle supporting mechanism that is connected of seal cover board therewith; The base of sealing device; Base is connected therewith puts ash bucket; Be located at the ash-removing valve that this puts the ash bucket bottom; Bellows; It is characterized in that described middle supporting mechanism is for cambered surface bearing sealing support bar, support lever or with the adjustment pull bar of spring; The position of the fulcrum of this supporting mechanism is the center of gravity place, middle part of seal cover board
Be provided with lap seal mechanism in bottom surface, described seal cover board two ends; This lap seal mechanism is by the lap seal plate suspension bracket with the pipe of gap; By the stop screw lap seal plate with round steel that is connected of lap seal plate suspension bracket therewith; The overlap joint seat that overlaps mutually of lap seal plate forms therewith; The round steel of described lap seal plate inserts in the pipe of lap seal plate suspension bracket; This lap seal plate is overlapped on the overlap joint seat; Described lap seal plate is overlapped on a dorsad side of bellows of overlap joint seat; Form horizontal twice linear sealing
Bottom surface, seal cover board two ends in the described lap seal plate suspension bracket outside is provided with position-limit mechanism; This position-limit mechanism is by the spacing pivoting support that is installed on the seal cover board; The Limit screw that is hinged of spacing hinged-support therewith; Therewith Limit screw be connected position-limited rack and therewith the adjusting nut that is complementary of the lower end of Limit screw form; This Limit screw passes the circular hole of position-limited rack and screws in adjusting nut in the lower end of Limit screw; Adjust the adjusting nut that screws in; Make seal cover board above be higher than the bottom surface 8-12mm of chassis; Consist of the safe spacing of seal cover board
Described cambered surface bearing, overlap joint seat, position-limited rack are connected with the base of described sealing device, and the described ash bucket of putting is located in the base, described ash-removing valve be connected put ash bucket below.
2. the middle part supporting type head-tail sealing device of sintering machine according to claim 1, it is characterized in that described cambered surface bearing sealing support bar is by the sealing support bar, hang over the balancing weight of this sealing support bar one end, be located at the cambered surface support member of this sealing support bar other end, be located at the U-lag of this sealing support bar middle part downside, the U-lag that seals support bar middle part downside is therewith made the cambered surface bearing that is slidingly matched, this cambered surface bearing is formed with the alignment pin that the middle part of described sealing support bar is connected, described cambered surface supports support is in the U-lag of the middle part of described seal cover board downside, described cambered surface seat supports is in the downside U-lag of described sealing support bar, the middle part of this sealing support bar is connected with the cambered surface bearing by alignment pin, form single pole and support sealing together, the degree of depth of described U-lag is 20-35mm.
3. the middle part supporting type head-tail sealing device of sintering machine according to claim 1, an end that it is characterized in that described support lever is hinged by the lower frame of jointed shaft and described seal cover board, the other end of this support lever is hung counterweight, the intermediate support of this support lever is hinged by jointed shaft and bearing, constitutes the sealing device of single support lever.
4. the middle part supporting type head-tail sealing device of sintering machine according to claim 1, it is characterized in that the described adjustment pull bar that has a spring is hinged by the lower frame of hinge and seal cover board, on the body of rod of this adjustment pull bar spring is housed, this bottom of adjusting pull bar penetrates in the circular hole of base, and this lower end of adjusting pull bar is provided with the adjustment nut.
5. the middle part supporting type head-tail sealing device of sintering machine according to claim 2, gap is established in the both sides, U-lag middle part that it is characterized in that described seal cover board, this gap is slidingly matched with the alignment pin that is installed on the sealing support bar, has formed the located lateral to seal cover board.
6. the middle part supporting type head-tail sealing device of sintering machine according to claim 1, the open and clear mouth in pipe middle part that it is characterized in that described lap seal plate suspension bracket band gap, the gap that open at stop screw that the round steel middle part of lap seal plate connects and pipe middle part is slidingly matched, and forms the located lateral to the lap seal plate.
7. the middle part supporting type head-tail sealing device of sintering machine according to claim 2, gap is established in the both sides, U-lag middle part that it is characterized in that described sealing support bar, gap is slidingly matched with the alignment pin that is installed on the cambered surface bearing, forms the located lateral to the sealing support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201362651U CN201637271U (en) | 2010-03-13 | 2010-03-13 | Middle supporting type head and tail sealing device of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201362651U CN201637271U (en) | 2010-03-13 | 2010-03-13 | Middle supporting type head and tail sealing device of sintering machine |
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| Publication Number | Publication Date |
|---|---|
| CN201637271U true CN201637271U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201362651U Expired - Lifetime CN201637271U (en) | 2010-03-13 | 2010-03-13 | Middle supporting type head and tail sealing device of sintering machine |
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| Country | Link |
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| CN (1) | CN201637271U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782328A (en) * | 2010-03-13 | 2010-07-21 | 吴�琳 | Middle supporting type head-tail sealing device for sintering machine |
| CN102997668A (en) * | 2012-12-04 | 2013-03-27 | 中冶北方（大连）工程技术有限公司 | Elastic sealing abruption device of sintering machine air box |
| CN103629932A (en) * | 2013-11-01 | 2014-03-12 | 西安越达环保科技有限公司 | Differential pressure sealing device and sintering or cooling equipment |
-
2010
- 2010-03-13 CN CN2010201362651U patent/CN201637271U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782328A (en) * | 2010-03-13 | 2010-07-21 | 吴�琳 | Middle supporting type head-tail sealing device for sintering machine |
| CN102997668A (en) * | 2012-12-04 | 2013-03-27 | 中冶北方（大连）工程技术有限公司 | Elastic sealing abruption device of sintering machine air box |
| CN103629932A (en) * | 2013-11-01 | 2014-03-12 | 西安越达环保科技有限公司 | Differential pressure sealing device and sintering or cooling equipment |
| CN103629932B (en) * | 2013-11-01 | 2016-01-20 | 西安越达环保科技有限公司 | Differential pressure sealing device and sintering or cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20120502 |