CN203534180U

CN203534180U - Sintering machine trolley grate bar capable of quickly replacing online

Info

Publication number: CN203534180U
Application number: CN201320690077.7U
Authority: CN
Inventors: 梁南山
Original assignee: LOUDI CITY MODERN PRECISION CASTING Co Ltd
Current assignee: LOUDI CITY MODERN PRECISION CASTING Co Ltd
Priority date: 2013-11-05
Filing date: 2013-11-05
Publication date: 2014-04-09
Anticipated expiration: 2023-11-05

Abstract

The utility model discloses a sintering machine trolley grate bar capable of quickly replacing online. Two grate bars respectively provided with a hanger on one side are arranged in a mutually coupled manner and constitute a grate bar set through lap-jointing by a connecting bolt (or a buckle and other fixing mode); the hanger is arranged on only one side of the lower end of each grate bar body, and no one is arranged on the other side; a gap is reserved between the hanger and a thermal insulation sleeve of a trolley of a sintering machine; a grate bar lap-jointing part with a screw hole (or a bayonet and the like) is arranged at the upper side part of the end of the grate bar body with the hanger, for lap-jointing with the other grate bar coupled with the same; a bolt (or the buckle and other fixing mode) mounting hole is formed in the upper part of the end of the grate bar body without the hanger. According to the technical scheme, the current situation that, in most sintering plants, the grate bar only can be replaced through stopping production, replacing the trolley, and dismounting the replaced trolley can be changed; the time, labor and material are saved; the service life of the grate bar is improved; the operation rate and output of the sintering machine is effectively improved, and the air leakage loss and fuel consumption of the sintering machine are reduced.

Description

A kind of grate bar of sintering machine trolley of fast online replacement

Technical field

the utility model relates to a kind of grate bar, relates in particular to the grate bar of sintering machine trolley of the fast online replacement that a kind of metallurgy industry sintering machine uses.

Background technology

on the sintering pallet of metallurgy industry, be conventionally provided with the grate bar that quantity is larger, the top, two ends of grate bar rides against on sintering pallet collet, and below grate bar two ends, is equipped with hangers, to guarantee that grate bar can not drop out after sintering pallet upset.Grate bar is easy to occur the accidents such as high-temperature oxydation, local melting loss and distortion fracture and contact wear at the conversion zone that approaches 1300 ℃ of left and right, to sintering process, bring very large impact.

after grate bar serious damage, except grate bar itself, have a strong impact on the Yield and quality of sintering deposit and increase fuel consumption.The grate bar that domestic each sintering plant is conventional at present, after serious scaling loss or local damage, must stop production for changing the grate bar damaging, whole chassis hung out from sintering machine, and the chassis separately renewing, then the chassis that hangs lower production line is disassembled.For changing grate bar that minority damages, many also intact grate bars together must be split out they are being damaged in unloading process repeatedly, certainly will reduce production efficiency and the increase whole synthesis cost of sintering machine.

before this is practical, for solving this difficult problem those skilled in the art, did a lot of effort, design and the grate bar of sintering machine trolley of manufacturing different structure shape, if ZL201120031675.4 " sintering machine grid section " is exactly example wherein, got effect, differ from one another, but that problem remains grate bar total consumption is higher.

Summary of the invention

the purpose of this utility model is to provide a kind of quick-detachment online and replacing grate bar, shortens the grate bar of sintering machine trolley that grate bar is changed time, prolongation grate bar service life and avoided the fast online replacement of artificial damage grate bar.

for achieving the above object, the technical solution adopted in the utility model is: it is to have the relative coupling of grate bar body of monolateral hangers to arrange by connecting bolt (or buckle etc.) the grate bar group that overlap joint forms mutually by a grate bar body that has a monolateral hangers and another root for the grate bar of sintering machine trolley of described a kind of fast online replacement again, wherein in the lower end of grate bar body one side, there is hangers, opposite side is without hangers, gapped L between hangers and sintering pallet collet; Grate bar body have hangers one side above side be provided with band screw (or bayonet socket) grate bar clinch, the width of the width of grate bar clinch and wherein a grate bar body or another root grate bar body is close or equate, and the thickness of grate bar clinch is overlapped on 20%～50% of sintering pallet collet upper end thickness for a grate bar body wherein or another root grate bar body, and at grate bar body, have bolt (or buckle etc.) installing hole above without hangers one side.

adopt the grate bar of sintering machine trolley of a kind of fast online replacement that as above technical scheme provides compared with prior art, technique effect is:

1. can fast online replacement grate bar.When somewhere grate bar damages inefficacy, only need the bolt that damages grate bar place (or buckle etc.) to draw off, it is replaceable this place's grate bar, therefore can utilize the time and space before sintering pallet cloth to carry out fast online replacement grate bar, and the replacing chassis that need not stop production, also need not dismantle other most grate bars adjacent with damaging grate bar, thereby greatly improve the efficiency of changing grate bar, also greatly reduce grate bar simultaneously and damage the impact of losing efficacy on SINTERING PRODUCTION.

2. can extend grate bar service life.The utility model by two relative couplings of the grate bar that only has monolateral hangers arrange by connecting bolt (or buckle etc.) mutually overlap joint form grate bar group, some feature & benefits in fact simultaneously with conjuncted grate bar, distance that still can be identical with its maintenance with another root grate bar of its coupling after a certain grate bar oxidation attenuation, the phenomenon that occurs large hole after the mutual jam-packed of grate bar of more difficult appearance due to attenuation, the thickness of allowing to grate bar oxidization burning loss will increase, thereby can extend the actual life of grate bar.

3. can avoid artificial damage.When changing grate bar, only the grate bar of damage need be replaced, and need not dismantle other most grate bars adjacent with damaging grate bar, thereby avoid changing the artificial damage in grate bar process, other grate bar being caused.

Accompanying drawing explanation

fig. 1 be a kind of fast online replacement described in the utility model grate bar of sintering machine trolley monolateral hangers grate bar structural representation or claim the master of single grate bar to look schematic diagram.

fig. 2 is Fig. 1 schematic top plan view.

fig. 3 is the A-A line cross-sectional schematic along Fig. 1.

fig. 4 is the B-B line cross-sectional schematic along Fig. 1.

fig. 5 is the grate bar group structural representation forming after two relative couplings of monolateral hangers grate bar connect, and is also Figure of abstract of the present utility model.

fig. 6 is the schematic top plan view of Fig. 5.

fig. 7 is the C-C line cross-sectional schematic along Fig. 5.

fig. 8 is the D-D line cross-sectional schematic along Fig. 5.

The specific embodiment

below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

shown in Fig. 1 or Fig. 5, it is to only have the relative coupling of grate bar body 1a of monolateral hangers 2 to arrange by connecting bolt (or buckle etc.) the 6 grate bar groups that overlap joint forms mutually by grate bar body 1 that only has monolateral hangers 2 wherein and another root for the grate bar of sintering machine trolley of described a kind of fast online replacement again.

lower end one side of the grate bar body 1 of the single grate bar of described sintering pallet and grate bar body 1a has hangers 2, and their opposite side is without hangers 2, and it all has hangers in both sides unlike common grate bar.Between hangers 2 and sintering pallet collet, there is a gap L.Having, the grate bar body 1 of hangers 2 and the upper side of grate bar body 1a are other is connected with (being provided with) with the grate bar clinch 3 of screw or bayonet socket 4, the effect of grate bar clinch 3 is that wherein a grate bar body 1 overlaps with another root grate bar body 1a of its coupling, the width of described grate bar clinch 3 is conventionally close with the width of wherein a grate bar body 1 or another root grate bar body 1a or equate, and the thickness of grate bar clinch 3 is that wherein a grate bar body 1 or another root grate bar body 1a are overlapped on 20%～50% of sintering pallet collet upper end thickness.

wherein a grate bar body 1 or another root grate bar body 1a have bolt (or buckle etc.) installing hole 5 above the side without hangers 2, for another root grate bar body 1a or wherein the coupling of a grate bar body 1 be connected.

during enforcement, first by two grate bar bodies 1 that only have monolateral hangers 2, relative coupling is connected with grate bar body 1a, its combination installation procedure is: first have one end of hangers 2 to be inserted on sintering pallet collet a grate bar body 1, to need another root grate bar body 1a of coupling to have one end of hangers 2 to be inserted on the sintering pallet collet of opposite face again, relative between two, two single grate bar bodies 1 and grate bar body 1a are depressed to overlap joint without the other end of hangers 2 simultaneously, by wherein a grate bar body 1(or another root grate bar body 1a) without the bolt of hangers 2 one end (or buckle etc.) installing hole 5, face another root grate bar body 1a(or a grate bar body 1 wherein) there is an overlap joint screw on the grate bar clinch 3 of hangers 2 one end (or bayonet socket etc.) 4, the bolt (or buckle etc.) 6 of screwing on, the grate bar group that also can not come off in the time of can being formed between two sintering pallet upset.

while finding that in production process certain root grate bar damage inefficacy need to be changed, can be before sintering pallet cloth first two bolts of described grate bar group (or buckle etc.) 6 be back-outed, then damage grate bar is had to hangers 2 one sides near collet, to, without drawing in hangers one side, can pull down damaging the grate bar losing efficacy again.

the utility model has solved the problem of fast online replacement grate bar of sintering machine trolley in sintering production process effectively, change most sintering plants and changed the just necessary replacing chassis that stops production of grate bar, after again the chassis of changing being disassembled, could change the present situation of grate bar, its time saving and energy saving material saving.The disjunctor grate bar group simultaneously being formed by the coupling of two grate bars due to it, with respect to the more oxidation ablation thickness of common grate bar tolerable, thus the service life that can greatly improve grate bar.In addition, it can also improve operating rate and the output of sintering machine effectively, reduces leak out loss and the fuel consumption of sintering machine.

Claims

1. a grate bar of sintering machine trolley for fast online replacement, is characterized in that: it is served as reasons wherein one has the grate bar body (1) of monolateral hangers (2) to have the relative coupling of grate bar body (1a) of monolateral hangers (2) to arrange again by connecting bolt (6) the grate bar group that overlap joint forms mutually with another root.

2. the grate bar of sintering machine trolley of a kind of fast online replacement according to claim 1, it is characterized in that: lower end one side at grate bar body (1,1a) has hangers (2), opposite side is without hangers (2), gapped L between hangers (2) and sintering pallet collet.

3. the grate bar of sintering machine trolley of a kind of fast online replacement according to claim 1, is characterized in that: at grate bar body (1,1a), have the top side of hangers (2) one sides to be provided with the grate bar clinch (3) of band screw or bayonet socket (4).

4. the grate bar of sintering machine trolley of a kind of fast online replacement according to claim 1, is characterized in that: at grate bar body (1,1a), without the top of hangers (2) one sides, have bolt mounting holes (5).

5. according to the grate bar of sintering machine trolley of a kind of fast online replacement described in claim 1 or 3, it is characterized in that: the width of the width of grate bar clinch (3) and wherein a grate bar body (1) or another root grate bar body (1a) is close or equate, and the thickness of grate bar clinch (3) is for wherein a grate bar body (1) or another root grate bar body (1a) are overlapped on 20%～50% of sintering pallet collet upper end thickness.