CN101368794B - Sintering device, sintering cooler and its suspension sealing device - Google Patents
Sintering device, sintering cooler and its suspension sealing device Download PDFInfo
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- CN101368794B CN101368794B CN2007101204203A CN200710120420A CN101368794B CN 101368794 B CN101368794 B CN 101368794B CN 2007101204203 A CN2007101204203 A CN 2007101204203A CN 200710120420 A CN200710120420 A CN 200710120420A CN 101368794 B CN101368794 B CN 101368794B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention discloses a sintering cooler and a suspended seal equipment thereof, which can reduce the power consumption of blowers, decrease the air leakage of the equipment, increase the waste heat recovery efficiency and improve the environment. The sintering cooler comprises a plurality of sinter-loading trolleys, a plurality of overhead hoods above the trolleys, bellows below the trolleys, as well as suspended seal devices between every two adjacent hoods on the trolleys; wherein, the slideway of each bellows is glidingly contacted with a flexible slide plate of the corresponding trolley; the upper ends of the suspended seal devices are suspended on the combination part of two adjacent hoods; and the lower ends of the suspended seal devices are overhung on the sinter on the trolleys.
Description
Technical field
The present invention relates to a kind of water-tight equipment of metallurgical equipment, particularly sintering machine, sinter cooler and suspension type water-tight equipment thereof.
Background technology
In metallurgical production, utilize sintering machine that sintering mineral powder is become sintering deposit, sintering deposit is cooled to send into smelting procedure then below 150 ℃ through sinter cooler again.The production of sintering deposit is the important procedure during iron and steel is produced, and also is the bigger operation of energy resource consumption.
Sinter cooler divides from the type of cooling and mainly contains two kinds of exhausting cooling and air blast coolings, mainly contains two kinds of belt-cooling machine and central coolers from the structural shape branch.
The sectional drawing of sinter cooler is seen Fig. 1, and side view is seen Fig. 2, from Fig. 1, Fig. 2 as can be seen, between chassis 4 and the bellows 6, between chassis 4 and the petticoat pipe 2, be leakage point between petticoat pipe 2 and the petticoat pipe 2, is the main position of causing leakage.
The air leak rate of air curtain of general sinter cooler reaches about 30%, not only causes huge power wastage, also influences the waste heat recovery of hot flue gas, causes the pollution of environment simultaneously.
With certain 415m of steel plant
2The air blast central cooler is an example, and this cooler has adopted 5 blower fans that model is G4-73-12No25D, and motor power (output) is 710KW, air quantity 45.3 * 10
4Nm
3/ h, total blast volume are 5 * 45.3 * 10
4Nm/h=226.5 * 10
4Nm
3/ h, owing to leak, actual effective wind rate is 158.5 * 10
4Nm
3/ h, inleakage are 68 * 10
4Nm
3/ h, about 30% promptly about 1065KW has wasted in the power consumption of motor, visible waste huge.
Concerning the blowing-type cooler, no matter blast the cooling air of cooler is normal temperature air (about 20 ℃) or circulating air (about 150 ℃), and the A among Fig. 1, Fig. 2, B, C place all are leakage points, and wherein A, B leak outside, the C place is interior leakage, and the gap at B place is mostly more than 30mm.Because the pressure in the bellows is greater than the pressure in the external world, the wind that leak at the B place is normal temperature; The wind that leak at the A place is middle temperature (about 350 ℃), and leaking out of A place also can be taken a large amount of dust out of, promptly causes thermal pollution to cause dust pollution; String wind (interior leakage) between C place meeting formation petticoat pipe, because the hot flue-gas temperature in 1# petticoat pipe 21 and the 2# petticoat pipe 22 is different, generally differ about 150 ℃, hot flue gas in the 1# petticoat pipe 21 is generally received waste heat boiler and is carried out waste heat recovery, waste heat boiler produces steam for producing or the life use, if sealing in, the flue gas in 1# petticoat pipe 21 can make the effective wind rate of UTILIZATION OF VESIDUAL HEAT IN reduce in the 2# petticoat pipe 22, if the flue gas in the 2# petticoat pipe 22 seals in the flue-gas temperature that can reduce in the 1# petticoat pipe 21 in the 1# petticoat pipe 21, string wind between petticoat pipe can cause wind loss or hot blast temperature to descend in a word, thereby waste heat recovery is caused adverse influence.
Summary of the invention
The purpose of this invention is to provide the sinter cooler that a kind of power consumption, minimizing equipment that reduces blower fan leaks out, improves waste heat recovery efficient, improves environment.
Another object of the present invention provides a kind of suspension type water-tight equipment that sinter cooler leaks out that reduces, so that improve sintering machine and sinter cooler production capacity, reduces the blower fan power consumption, improves waste heat recovery efficient, improves environment.
According to an aspect of the present invention, the sinter cooler that is provided comprises:
Load the more piece chassis of sintering deposit;
Be positioned at some high petticoat pipes on the described more piece chassis;
Be positioned at the bellows under every joint chassis, the elastic slide plate sliding-contact of the slideway of described bellows and corresponding chassis;
Be installed in the suspension type sealing device between per two adjacent petticoat pipes of described some petticoat pipes;
Wherein, the upper end of described suspension type sealing device is suspended on the joint portion of described two adjacent petticoat pipes, dangles and be loaded on the above sintering deposit of chassis in the lower end.
According to a further aspect in the invention, the described suspension type water-tight equipment that is used for sinter cooler comprises:
Be installed in the suspension type sealing device between per two adjacent petticoat pipes of some high petticoat pipes of sinter cooler;
Wherein, the upper suspension of described suspension type sealing device is in the joint portion of described two adjacent petticoat pipes, dangles on the sintering deposit that is loaded on the described chassis in the bottom.
Wherein, described suspension type sealing device comprises: the suspension bracket of fixedly connected described joint portion; The multilayer stretched wire, its fixedly connected described suspension bracket in upper end, its lower end hang; And the multi-layer ceramics fiber cloth, its fixedly connected described suspension bracket in upper end, its lower end hang, and clamp one or more layers described stretched wire between wherein every two-layer ceramic fiber cloth.
Wherein, described suspension bracket comprises: riser, and its upper end connects described adjacent two petticoat pipe joint portions; The fixed head of fixedly connected described riser lower end; Be separately fixed at two end plates at described fixed head two ends; And a plurality of suspension rods that run through described two end plates respectively, each described suspension rod two ends by fixed by nut on described two end plates.
Wherein, the upper end of described stretched wire and ceramic fiber cloth is suspended on the corresponding suspension rod.
Wherein, each described suspension rod passes the hanger of fixedly connected described fixed head, strengthens the holding capacity that suspension rod bears ceramic fiber cloth thus.
Wherein, described stretched wire and described ceramic fiber cloth combine, and can both be combined by heat-resisting silk.
Wherein, every layer of described stretched wire has many stretched wires.
Wherein, flexible seal device or following lamination sealing device are used to seal the slit between described chassis bottom and the described bellows under installing between described chassis bottom and the described bellows.
In addition, the invention still further relates to the sintering machine that utilizes hot gas sintering that may occur a kind of future, because such sintering machine is estimated petticoat pipe will be set, therefore above-mentioned suspension type sealing device of the present invention equally also is applicable to such sintering machine, that is to say, between per two high petticoat pipes of adjacent frame of some petticoat pipes of all sintering machines, above-mentioned suspension type sealing device has been installed.
Technique effect of the present invention is that power consumption, the minimizing equipment that can obviously reduce blower fan leak out, improve waste heat recovery efficient, improve environment.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the air blast cooler sectional drawing of prior art;
Fig. 2 is the air blast cooler side view of prior art;
Fig. 3 is sintering machine or the sinter cooler sectional drawing with flexible seal device of the present invention;
Fig. 4 is that the present invention utilizes the schematic diagram that leaks between flexible seal device sealing chassis and bellows;
Fig. 5 is that the present invention utilizes the schematic diagram that leaks between flexible seal device sealing petticoat pipe and chassis;
Fig. 6 is sintering machine or the sinter cooler sectional drawing with lamination sealing device of the present invention;
Fig. 7 is the schematic diagram of single lamination in the lamination sealing device of the present invention;
Fig. 8 is that the present invention utilizes the schematic diagram that leaks between lamination sealing device sealing chassis and bellows;
Fig. 9 is that the present invention utilizes the schematic diagram that leaks between lamination sealing device sealing petticoat pipe and chassis;
Figure 10 a is sintering machine or the sinter cooler side view with catenary suspension type continuous vulcanization sealing device of the present invention;
Figure 10 b is the have sintering machine of catenary suspension type continuous vulcanization sealing device or the sectional drawing of sinter cooler of the present invention;
Figure 11 a is the structural representation of suspension type sealing device of the present invention;
Figure 11 b is the sectional view of Figure 11 a;
Figure 12 a is the schematic diagram that shows the chassis leak position of the sintering machine of prior art or sinter cooler;
Figure 12 b is the side view of Figure 12 a;
Figure 13 is the structural representation of inserted sealing device of the present invention;
Figure 14 a shows the schematic diagram that utilizes slit between inserted sealing device sealing baffle of the present invention and chassis body or baffle plate; And
Figure 14 b shows the schematic diagram that utilizes slit between an inserted sealing device chassis of sealing of the present invention and another chassis.
Description of reference numerals: 1-chimney; The 2-petticoat pipe; The 21-1# petticoat pipe; The 22-2# petticoat pipe; The 3-sintering deposit; The 4-chassis; The 41-overhead gage; The 42-lower baffle plate; 43-chassis body; Slit between 44-overhead gage and lower baffle plate; Slit between 45-lower baffle plate and chassis body; Slit between 46-chassis and the chassis; The 5-rail; 6 bellows; A, B, C-leak out a little; The last flexible seal device of 7-; The 72-fixed head; 73-steel plate press strip; The 74-bolt; The 75-ceramic fiber cloth; The 76-metal bracelet; Flexible seal device under the 8-; The 82-fixed head; The 83-bolt; The 84-fixed support; The 85-ceramic fiber cloth; The 86-metal bracelet; 87-seals steel plate; Lamination sealing device under the 9-; The 92-stack of laminations; The 93-pressing plate; The 94-bolt; The 95-sealing plate; The last lamination sealing device of 10-; The 102-pressing plate; The 103-sealing plate; The 104-bolt; The 105-stack of laminations; 11-catenary suspension type continuous vulcanization sealing device; The 111-ceramic fiber cloth; The 111-stretched wire; The 113-hanger; The 114-nut; The 115-end plate; The 116-fixed head; The 117-riser; The 118-suspension rod; The inserted sealing device of 12-; 121-arc spring plate; The 122-flexible graphite stuffing; The 123-heat resistant rubber.
The specific embodiment
Four kinds of sealing means of the present invention are described at first in conjunction with the accompanying drawings, promptly 1, flexible sealing, 2, stacked sealing, 3, the suspension type sealing, 4, inserted sealing.Embodiments of the present invention are described then.
In addition, in the present invention, chassis 4 is divided into two parts, i.e. chassis top and chassis bottom.Chassis top generally is meant the chassis part on the loading plate that carries sintering deposit 3, and the chassis bottom is meant chassis part under the loading plate.
Need to prove, although following be that example describes with the sinter cooler, the present invention is equally applicable to general sintering machine.Specifically, because existing sintering machine does not have petticoat pipe 2 usually, therefore in the ordinary course of things, sintering machine of the present invention is not considered the upper sealing device in petticoat pipe 2 and sealing petticoat pipe 2 and slit, chassis 4 top; But utilize under the sintering machine situation of hot gas sintering may occurring, the structure of sintering machine of the present invention just is same as the structure of sinter cooler.
In addition, four kinds of sealing means of the present invention also can mix use.
1, flexible sealing mode
Fig. 3 has shown the structure with sinter cooler of flexible seal device of the present invention.As shown in Figure 3, the present invention utilizes flexible seal device to solve or slows down the petticoat pipe 2 of sinter cooler and the problem of leaking out between the problem of leaking out between the chassis 4 and chassis 4 and the bellows 6, that is: install flexible seal device 7 at the petticoat pipe 2 of sinter cooler and the A that leaks out between the chassis 4, B that leaks out between chassis 4 and bellows 6 installs lower flexible sealing device 8, stops the wind that leaks out an A and leak out between the B to leak thus.
One end of last flexible seal device 7 is fixed on the inboard of petticoat pipe 2, and the other end is overlapped on the inboard of chassis 4.
One end of following flexible seal device 8 is fixed on the inboard of chassis 4, and the other end is overlapped on the inboard of bellows 6.
Fig. 4 has shown that flexible seal device 8 is installed in the bottom, seal the principle of leaking out between chassis 4 and the bellows 6 thus, wherein, fixed head 82 compresses ceramic fiber cloth 85 and be suspended on the fixed support 84 by bolt 83, fixed support 84 is connected with bellows 6, the elongated sealing steel plate 87 of welding is equipped with metal bracelet 86 on the ceramic fiber cloth 85 on bellows 6.Its operation principle is: under the effect of metal bracelet 86 weight, ceramic fiber cloth 85 sagging places, slit between chassis 4 and bellows 6, under the effect of blast, ceramic fiber cloth 85 is pushed to sealing steel plate 87, when ceramic fiber cloth 85 with after steel plate 87 contacts, slit between chassis and the bellows is plugged, thereby reduces leaking out between chassis 4 and the bellows 6.
Ceramic fiber cloth has high temperature resistant (1600 ℃), soft, wear-resisting characteristics such as (accompanying the stainless steel wire core in the cloth), in order to reach better sealing effectiveness, can adopt the multi-layer ceramics fiber cloth to fold usefulness, thereby reduces the leakage of the hole of fiber cloth own.
Fig. 5 has shown that flexible seal device 7 is installed in top, seal the principle in the slit between chassis 4 and the petticoat pipe 2 thus, wherein, fixed head 72 compresses ceramic fiber cloth 75 and be suspended on the fixed head 74 by bolt 73, elongated fixed head 72 is fixedlyed connected with petticoat pipe 2, and metal bracelet 6 is installed on the ceramic fiber cloth 75.Operation principle is: under the effect of metal bracelet 6 weight, ceramic fiber cloth 75 sagging places, slit between petticoat pipe 2 and chassis 4, under the effect of blast, ceramic fiber cloth 75 is pushed to the inwall of chassis 4, when ceramic fiber cloth 75 with after chassis 4 inwalls contact, slit between petticoat pipe 2 and the chassis 4 is plugged, thereby reduces leaking out between petticoat pipe 2 and the chassis 4.
Above-mentioned metal bracelet 76 also can replace with the suitable weight of other weight, and metal bracelet 76 can be fixed (for example sewing up) with the heating resisting metal silk on the surface of ceramic fiber cloth 75, also can be fixing as making in the interlayer of ceramic fiber cloth 75 the heating resisting metal silk.
The flexible sealing mode is applicable under the situation of malleation, when petticoat pipe or bellows internal pressure are zero or inapplicable during for negative pressure.
2, stacked sealing means
Fig. 6 has shown the structure with sinter cooler of stacked sealing device of the present invention.In fact Fig. 6 has shown two kinds of mounting structures of stacked sealing device, the left-half that is Fig. 6 is the schematic diagram that stacked sealing device 9 or 10 is installed in sintering machine or sinter cooler inboard, and right half part is the schematic diagram that stacked sealing device 9 or 10 is installed in the sintering machine or the sinter cooler outside.That is to say, install lamination sealing device 10 at the petticoat pipe 2 of sinter cooler and the A that leaks out between the chassis 4, lamination sealing device 9 under the B that leaks out between chassis 4 and the bellows 6 installs utilizes lamination sealing device 10,9 to stop the wind that leaks out an A and leak out between the B to leak.
One end of last lamination sealing device 10 is fixed on the inboard of petticoat pipe 2, and the other end is pressed against the inboard of chassis 4; An end of perhaps going up lamination sealing device 10 is fixed on the outside of petticoat pipe 2, and the other end is pressed against the outside of chassis 4.
One end of following lamination sealing device 9 is fixed on the inboard of bellows 6, and the other end is pressed against the inboard of chassis 4; Perhaps descend an end of lamination sealing device 9 to be fixed on the outside of bellows 6, the other end is pressed against the outside of chassis 4.
As selection, an end of last lamination sealing device 10 is fixed on the inboard of chassis 4, and the other end is pressed against the inboard of petticoat pipe 2; An end of perhaps going up lamination sealing device 10 is fixed on the outside of chassis 4, and the other end is pressed against the outside of petticoat pipe 2.One end of following lamination sealing device 9 is fixed on the inboard of chassis 4, and the other end is pressed against the inboard of bellows 6; Perhaps descend an end of lamination sealing device 9 to be fixed on the outside of chassis 4, the other end is pressed against the outside of bellows 6.
Fig. 7 is the schematic diagram of single lamination in stacked sealing device 9 or 10.Lamination is that an end is fixed, end spring leaf freely, and it has certain elastic force, and its free end can be pressed against on the sealing plate all the time, plays sealing function.
Lamination adopts the heat resisting steel light sheet material, and for example steel spring plate has skewed slot on the plate, and the lamination width B is about about 50mm, and skewed slot width δ is about about 3mm between lamination, and the lamination inclined angle alpha is about 30 ° to 45 °.According to the actual conditions of sealing station, lamination is answered precompose camber or S type, to guarantee and the contacting and keep elasticity of chassis.During installation, the mode that adopts the dislocation of multilayer (3-5 layer) lamination to laminate, magnitude of misalignment are that half of lamination width B is to prevent that flue gas is from the lamination slot leakage.The arrow indication chassis direction of motion among Fig. 7, lamination tilts along the trolley movement direction, and the purpose that lamination tilts is in order to make lamination can adapt to the not straight operating mode in side that chassis generation sideslip causes misalignment.
Fig. 8 shows that stacked sealing device 9 is installed in the bottom down, is used for sealing the schematic diagram in the slit between chassis 4 and the bellows 6, and its design feature is:
Lamination is that an end is fixed, end spring leaf freely, has certain elastic force, and its free end can be pressed against on the chassis 4 all the time, thereby plays the effect of sealing.
The elongated sealing plate 95 of welding on bellows 6, stack of laminations 92 usefulness bolts 94 and pressing plate 93 that the multilayer dislocation laminates are fastened on the sealing plate 95, and stack of laminations 92 closely contacts with chassis 4 by elasticity.
The stack of laminations 92 that multilayer dislocation laminates has sealed the slit of 6 in chassis 4 and bellows.When misalignment takes place in chassis 4, if a promptly back chassis 4 protrudes a part than previous chassis 4, because lamination has inclination, chassis 4 always is introduced into the sunk part of lamination, thereby continue athletic meeting and gradually lamination is risen the situation generation of having avoided chassis that lamination is scratched, when a back chassis than a previous chassis recessed when part because lamination itself has elasticity, still can guarantee to be pressed on the chassis.
Fig. 9 shows that going up stacked sealing device 10 is installed in top, is used for sealing the schematic diagram in the slit between chassis 4 and the petticoat pipe 2, and its design feature is:
The elongated sealing plate 103 of welding on petticoat pipe 2, stack of laminations 105 usefulness bolts 104 and pressing plate 102 that the multilayer dislocation laminates are fastened on the sealing plate 103, and stack of laminations 105 closely contacts with chassis 4 by elasticity.
The lamination that multilayer dislocation laminates has sealed the slit of 2 of chassis 4 and petticoat pipes.When chassis generation misalignment, if a back chassis protrudes a part than previous chassis, because lamination has inclination, chassis always is introduced into the sunk part of lamination, thereby continue athletic meeting and gradually lamination is risen the situation generation of having avoided chassis that lamination is scratched, when a back chassis than a previous chassis recessed when part because lamination itself has elasticity, still can guarantee to be pressed on the chassis.
Stacked sealing means promptly is applicable to the situation of malleation, also is applicable to the situation of negative pressure.
3, suspension type sealing means
Figure 10 a and Figure 10 b have shown the structure with sinter cooler of suspension type sealing device 11 of the present invention.
Its design feature is: suspension type sealing device 11 is installed on the dividing plate between two petticoat pipes 21 and 22 (shown in Figure 10 a); Can dangle on the sintering deposit bed of material (shown in Figure 11 b) in the bottom of suspension type sealing device 11, thereby form sealing between two petticoat pipes 21 and 22.
Figure 11 a and Figure 11 b have shown the structure of suspension type sealing device 11.As shown in the figure, utilize suspension rod 118 to be suspended on two end plates 115 with stretched wire 112 and ceramic fiber cloth 111 that heat resisting steel is made, suspension rod 118 two ends are fastening with nut 114, suspension rod 118 passes hanger 113 and strengthens the suspention ability, end plate 115 and hanger 113 all are welded on the fixed head 116, and riser 117 is welded on the fixed head 116.Stretched wire 112 and ceramic fiber cloth 111 also can be connected the suspension ring below the fixed head 113 or link up with.Ceramic fiber cloth 111 usefulness heat-resistant steel wires seam is solid on stretched wire 112, and stretched wire can have many, clamps one or more layers ceramic fiber cloth between per one or more stretched wire.
During actual the use, riser 117 is welded on two petticoat pipe junctions, and select the suitable stretched wire 112 and the height of ceramic fiber cloth 111 according to the height between the petticoat pipe and the bed of material, stretched wire 112 is contacted with the bed of material with ceramic fiber cloth 111, adopt suspension type sealing device 11 can reduce petticoat pipe 21 and 22 s' string wind, be applicable to various sinter coolers.
4, inserted sealing means
Sintering machine and sinter cooler are made of (as 415m a plurality of chassis
2Circular cooler trolley quantity is 72), each chassis 4 is made of chassis body 43 and overhead gage 41, lower baffle plate 42 again, between chassis 4 and the chassis 4, between chassis overhead gage 41 and the lower baffle plate 42, all have the gap between lower baffle plate 42 and the chassis body 43, the leakage of system also can be caused in these gaps, referring to Figure 12 chassis leak position schematic diagram, lower baffle plate 42 usefulness bolts (referring to Figure 12 b) are connected on the chassis body 43 among the figure, and overhead gage 41 usefulness bolts (referring to Figure 12 b) are connected on the lower baffle plate 42.Do not connect between two adjacent chassis (referring to Figure 12 b), under the thrust of trolley running mechanism, tightly be close together.44 is slits between baffle plate 41 and the baffle plate 42 among the figure, the 45th, and the slit between baffle plate 42 and the chassis body 43, the 46th, the slit between chassis 4 and the chassis 4.
Foozle and high temperature scaling loss in the use and the reasons such as differential thermal expansion in the trolley movement owing to chassis, in actual the use, 44, the leakage at 45,46 3 places is very serious, concerning the blowing-type cooler, a large amount of wind three leaks the cooling effect reduced cooler from this, has also influenced the recycling of waste heat; If downdraught cooler or sintering machine, serious leaking out can make the effect that effective wind reduces in a large number influences sintering or cooling equally, wasted a large amount of electric energy simultaneously.
In order to address the above problem, the invention provides a kind of inserted sealing device as shown in figure 13.121 is the arc spring steel plate among the figure, the 122nd, flexible graphite stuffing, the 123rd, the heat resistant rubber rod, the special-shaped sealed packing of common composition in the middle of heat resistant rubber rod 123 is enclosed in by flexible graphite stuffing 122, the radian basically identical of arc spring steel plate 121 and flexible graphite stuffing 122, do not connect between the two, promptly have the gap.
Figure 14 a shows the schematic diagram that utilizes inserted sealing device 12 sealing baffles 41 of the present invention and baffle plate 42 or 43 slits of chassis body.Shown in Figure 14 a, when inserted sealing device 12 is used for sealing gap between overhead gage 41 and the lower baffle plate 42, to drive dovetail groove in overhead gage 41 bottoms, or a heat-resisting steel sheet and plate that has dovetail groove is installed, inserted sealing device 12 (comprising arc spring steel plate 121) is installed in the dovetail groove, thus the packing that from dovetail groove, stretches out 122 and below lower baffle plate 42 contact and compressed between overhead gage 41 and lower baffle plate 42, to form by the bolt (not shown) and seal.
When inserted sealing device 12 is used for sealing gap between lower baffle plate 42 and the chassis body 43, shown in Figure 14 a, (transform the overhead gage among the figure 41 into lower baffle plate 42, transform lower baffle plate 42 into chassis body 43), to drive dovetail groove in the bottom of lower baffle plate 42, or a heat-resisting steel sheet and plate that has dovetail groove is installed, inserted sealing device 12 (comprising arc spring steel plate 121) is installed in the dovetail groove, thus the packing that from dovetail groove, stretches out 122 and below chassis 43 contact and compressed between lower baffle plate 42 and chassis body 43, to form by the bolt (not shown) and seal.
Figure 14 b shows the schematic diagram that utilizes inserted sealing device 12 chassis 4 of sealing of the present invention and 4 slits of another chassis.Shown in Figure 14 b, when inserted sealing device is used for sealing gap between chassis 4 and the chassis 4, will the side of a chassis 4 (promptly a chassis 4 on, lower baffle plate 41 and 42 side) drive dovetail groove, or a heat-resisting steel sheet and plate that has dovetail groove is installed, inserted sealing device 12 (comprising the arc spring steel plate) is installed in the dovetail groove, on the packing 122 that from dovetail groove, stretches out and the chassis 4 of back, lower baffle plate 41 and 42 contacts side surfaces, under the effect of contact force between chassis, packing 122 is advanced dovetail groove by the part compression, between chassis 4 and chassis 4, form sealing, if the gap between chassis increases, under the elastic force effect of arc spring plate 121 and elastic caoutchouc 123, the part that packing 122 stretches out dovetail groove equally also can increase, still can between chassis and chassis, form sealing, when the gap between chassis and the chassis reduced, packing was compressed in the dovetail groove more, still can keep sealing state between chassis and the chassis.
The characteristics of inserted sealing device are:
1. adopt the good steel of temperature tolerance and elasticity to make the arc spring steel plate, elastic force also changed when the arc spring steel plate changed in the gap, and the big more elasticity of pressure is big more.
2. special-shaped flexible graphite stuffing temperature tolerance is good, and elasticity is abundant, and coefficient of friction is little, deforms easily under external force, can play good sealing function.
3. heat resistant rubber good springiness, temperature tolerance is good, and elasticity is abundant, and its shape can change along with the size of external force, and adaptability is good.
4. inserted sealing device structure size is little, only need process suitable dovetail groove on original chassis or baffle plate during installation and get final product.
5. inserted sealing device good heat resistance, good to the adaptability in gap, when the gap length Shi Junneng that changes plays good sealing function.
Although the present invention proposes four kinds of sealing devices that are used for sintering machine and sinter cooler, can according to circumstances select flexibly to be used in combination in actual applications.
For example, when air blast is cooled off, when being malleation in the petticoat pipe, between chassis and petticoat pipe, can adopt the compound mode of flexible seal device, stacked sealing device or flexible seal device and stacked sealing device; Between chassis and bellows, also can adopt the compound mode of flexible seal device, stacked sealing device or flexible seal device and stacked sealing device; Can adopt inserted sealing device between chassis and the chassis and between the chassis baffle plate.
The structure of sintering machine of the present invention, sinter cooler and suspension type sealing device thereof is described below in conjunction with accompanying drawing.
Referring to Figure 10 a and Figure 10 b, sinter cooler of the present invention also comprises: the more piece chassis 4, the 4` that load sintering deposit 3; Be positioned at some high petticoat pipes 21,22 on described more piece chassis 4, the 4`; Be positioned at the bellows 6 under every joint chassis 4, the 4`, the elastic slide plate sliding-contact of the slideway of described bellows 6 and corresponding chassis 4,4`; Be installed in the suspension type sealing device 11 between per two adjacent petticoat pipes 21,22 of described some petticoat pipes; Wherein, the upper end of suspension type sealing device 11 is suspended on the joint portion of two adjacent petticoat pipes 21,22, dangles and be loaded on the chassis on the sintering deposit 3 in the lower end.
Referring to Figure 10 a, Figure 10 b, the suspension type water-tight equipment that is used for sinter cooler of the present invention comprises: be installed in the suspension type sealing device 11 between two adjacent petticoat pipes 21,22 on the adjacent chassis of per two joints; Wherein, the upper suspension of suspension type sealing device 11 is in the joint portion of two adjacent petticoat pipes 21,22, dangles on the sintering deposit 3 that is loaded on the chassis in the bottom.
Referring to Figure 11 a, suspension type sealing device 11 of the present invention comprises: the suspension bracket of fixedly connected joint portion; Multilayer stretched wire 112, its fixedly connected suspension bracket in upper end, its lower end hang; And multi-layer ceramics fiber cloth 111, its fixedly connected suspension bracket in upper end, its lower end hang, and clamp one or more layers stretched wire 112 between wherein every two-layer ceramic fiber cloth 111.
Wherein, suspension bracket comprises: riser 117, and its upper end connects adjacent two petticoat pipes 21,22 joint portions; The fixed head 116 of fixedly connected riser 117 lower ends; Be separately fixed at two end plates 115 at fixed head 116 two ends; And a plurality of suspension rods 118 that run through two end plates 115 respectively, each suspension rod 118 two ends is fixed on two end plates 115 by nut 114.
Wherein, the upper end of stretched wire 112 and ceramic fiber cloth 111 is suspended on the corresponding suspension rod 118.Each suspension rod 118 passes the hanger 113 of fixedly connected fixed head 116.
Wherein, stretched wire 112 combines with ceramic fiber cloth 111, and this combination can be with heat-resisting silk stretched wire 112 and ceramic fiber cloth 111 to be sewed together.
Referring to Figure 11 b, every layer of stretched wire 112 has many stretched wires.
On the other hand, in order to seal the slit between chassis 4 bottoms and the bellows 6, at chassis 4,4`
Fig. 3 and flexible seal device 8 or Fig. 6 and lamination sealing device 9 down shown in Figure 8 shown in Figure 4 can be installed down between bottom and the bellows 6.
In addition, the invention still further relates to the sintering machine that utilizes hot gas sintering that may occur a kind of future, because such sintering machine is estimated petticoat pipe will be set, therefore above-mentioned suspension type sealing device 11 of the present invention equally also is applicable to such sintering machine, that is to say, above-mentioned suspension type sealing device is installed between per two high petticoat pipes of adjacent frame of some petticoat pipes of all sintering machines.
Power consumption, minimizing equipment that the sinter cooler of employing technique scheme of the present invention can obviously reduce blower fan leak out, improve waste heat recovery efficient, improve environment.
Claims (15)
1. sinter cooler comprises:
Load the more piece chassis (4,4`) of sintering deposit (3);
Be positioned at some the high petticoat pipes (21,22) on the described more piece chassis (4,4`);
Be positioned at the bellows (6) under every joint chassis (4,4`), the elastic slide plate sliding-contact of the slideway of described bellows (6) and corresponding chassis (4,4`);
It is characterized in that also comprising:
Be installed in the suspension type sealing device (11) between per two adjacent petticoat pipes (21,22) of the some petticoat pipes on the described more piece chassis;
Wherein, the upper end of described suspension type sealing device (11) is suspended on the joint portion of described two adjacent petticoat pipes (21,22), dangles on the described sintering deposit (3) that is loaded on the chassis (4,4`) in the lower end.
2. sinter cooler according to claim 1 is characterized in that described suspension type sealing device (11) comprising:
The suspension bracket of fixedly connected described joint portion (113,114,115,116,117,118);
Multilayer stretched wire (112), its fixedly connected described suspension bracket in upper end, its lower end hang; And
Multi-layer ceramics fiber cloth (111), its fixedly connected described suspension bracket in upper end, its lower end hang, and clamp one or more layers described stretched wire (112) between wherein every two-layer ceramic fiber cloth (111).
3. sinter cooler according to claim 2 is characterized in that described suspension bracket comprises:
Riser (117), its upper end connects described two adjacent petticoat pipes (21,22) joint portion;
The fixed head (116) of fixedly connected described riser (117) lower end;
Be separately fixed at two end plates (115) at described fixed head (116) two ends; And
The a plurality of suspension rods (118) that run through described two end plates (115) respectively, each described suspension rod (118) two ends is fixed on described two end plates (115) by nut (114).
4. sinter cooler according to claim 3 is characterized in that, the upper end of described stretched wire (112) and ceramic fiber cloth (111) is suspended on the corresponding suspension rod (118).
5. sinter cooler according to claim 3 is characterized in that, each described suspension rod (118) passes the hanger (113) of fixedly connected described fixed head (116).
6. sinter cooler according to claim 4 is characterized in that, described stretched wire (112) combines with described ceramic fiber cloth (111).
7. sinter cooler according to claim 2 is characterized in that, every layer of described stretched wire (112) has many stretched wires.
8. according to the described sinter cooler of claim 1, it is characterized in that, flexible seal device (8) or following lamination sealing device (9) are used to seal the slit between described chassis (4) bottom and the described bellows (6) under installing between described chassis (4) bottom and the described bellows (6).
9. suspension type water-tight equipment that is used for sinter cooler is characterized in that comprising:
Be installed in the suspension type sealing device (11) between per two adjacent petticoat pipes (21,22) of some high petticoat pipes of sinter cooler;
Wherein, the upper suspension of described suspension type sealing device (11) is in the joint portion of described two adjacent petticoat pipes (21,22), dangles on the sintering deposit (3) that is loaded on the chassis in the bottom.
10. the suspension type water-tight equipment of sinter cooler according to claim 9 is characterized in that described suspension type sealing device (11) comprising:
The suspension bracket of fixedly connected described joint portion (113,114,115,116,117,118);
Multilayer stretched wire (112), its fixedly connected described suspension bracket in upper end, its lower end hang; And
Multi-layer ceramics fiber cloth (111), its fixedly connected described suspension bracket in upper end, its lower end hang, and clamp one or more layers described stretched wire (112) between wherein every two-layer ceramic fiber cloth (111).
11. the suspension type water-tight equipment of sinter cooler according to claim 10 is characterized in that described suspension bracket comprises:
Riser (117), its upper end connects described two adjacent petticoat pipes (21,22) joint portion;
The fixed head (116) of fixedly connected described riser (117) lower end;
Be separately fixed at two end plates (115) at described fixed head (116) two ends; And
The a plurality of suspension rods (118) that run through described two end plates (115) respectively, each described suspension rod (118) two ends is fixed on described two end plates (115) by nut (114).
12. the suspension type water-tight equipment of sinter cooler according to claim 11 is characterized in that, the upper end of described stretched wire (112) and ceramic fiber cloth (111) is suspended on the corresponding suspension rod (118).
13. the suspension type water-tight equipment of sinter cooler according to claim 11 is characterized in that, each described suspension rod (118) passes the hanger (113) of fixedly connected described fixed head (116).
14. the suspension type water-tight equipment of sinter cooler according to claim 12 is characterized in that, described stretched wire (112) combines with described ceramic fiber cloth (111).
15. the suspension type water-tight equipment of sinter cooler according to claim 10 is characterized in that, every layer of described stretched wire (112) has many stretched wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101204203A CN101368794B (en) | 2007-08-17 | 2007-08-17 | Sintering device, sintering cooler and its suspension sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101204203A CN101368794B (en) | 2007-08-17 | 2007-08-17 | Sintering device, sintering cooler and its suspension sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368794A CN101368794A (en) | 2009-02-18 |
| CN101368794B true CN101368794B (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101204203A Expired - Fee Related CN101368794B (en) | 2007-08-17 | 2007-08-17 | Sintering device, sintering cooler and its suspension sealing device |
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| CN (1) | CN101368794B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979950A (en) * | 2010-11-23 | 2011-02-23 | 北京世纪源博科技有限责任公司 | Flue gas waste heat recovery optimizing device for annular cooler |
| CN109612281B (en) * | 2016-11-29 | 2020-07-07 | 安徽工业大学 | Sintering cooling machine |
| CN111578728B (en) * | 2020-05-26 | 2022-06-17 | 德龙钢铁有限公司 | Sintering machine circulation flue gas cover convenient to maintenance |
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2007
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| Publication number | Publication date |
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| CN101368794A (en) | 2009-02-18 |
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