CN207649352U - It is sintered grate item and the sintering machine with it - Google Patents
It is sintered grate item and the sintering machine with it Download PDFInfo
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- CN207649352U CN207649352U CN201721589814.9U CN201721589814U CN207649352U CN 207649352 U CN207649352 U CN 207649352U CN 201721589814 U CN201721589814 U CN 201721589814U CN 207649352 U CN207649352 U CN 207649352U
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Abstract
The utility model discloses a kind of sintering grate item and with its sintering machine.The upper surface of sintering grate item is for carrying sintered material, and the gap between two grate items is for being sintered passing through for air-flow.Upper surface at least partly raises up to form the first lug boss, and the free end of the first lug boss is tip or arc end.Grate both ends are different from the design structure of traditional grate item and the different design shape in grate section has been conducive to be sintered passing through for air-flow, it is therefore prevented that adherency of the dirt object in grate both side surface and the blocking to grate interspace in air-flow.It is provided with elimination traditional grate both ends dead corner, the multinomial function different from conventional sintering grate item of increasing sintering grate face draught area, overcome grate temperature distortion, reduce grate weight, improving grate service life simultaneously.It has been finally reached reduction sintering production cost, has improved sintering production efficiency, the general inventive purpose of energy-saving and emission-reduction.
Description
Technical field
The present invention relates to steel smelting equipment technical fields, specifically, more particularly to a kind of sintering grate item and have its
Sintering machine.
Background technology
" iron ore powder sintering ", which is smelting iron and steel overall process, can implement first of production process of Automatic Control, product " sintering
Mine " (hereinafter referred to as " sinter ") is the primary raw material of ironmaking production.Also it is the main of Blast Furnace Iron-making Production Technology economic indicator
Influence factor.For this purpose, the centuries comes in iron and steel smelting industry people invariably using sintering production technological progress as a main work
Make.
Compared with other processes, iron ore powder sintering except disposable investment greatly in addition to, while having production process multiple
Miscellaneous, " sintering process " demand air quantity is big, the low feature of operating efficiency.
The air feed of " sintering process " is the major impetus consumption of sintering production." sintering process " air feed can account for all sintering lifes
Produce 60% or more of volume of air supply, " sintering process " smoothly whether major influence factors be both enough volume of air supply.It is sintered per 1m2
Machine side product is annual to need 60,000,000 m3Above air quantity supply.However it is restricted by sintering process feature, so huge confession
Air quantity but only has 50% or so to be utilized, and another 50% misses during air feed, thus becomes the main of sintering production efficiency
Restraining factors.This one of principal element for restricting air feeding efficiency is to be embedded in " pallet " by " trolley heat insulation pad "
The blocking in " grate gap ".
Grate item is embedded on the trolley fine strain of millet of trolley body lower part.Into sintering feed air during by sintering feed with
The high temperature " sintered discharge gas " that sintering feed occurs to generate after series of chemical is entrainment of a large amount of dust through the gap between grate item
Enter the processing system of " sintered discharge gas "." bogie chain " being made of trolley body " variable-ratio " under the drive of sintering machine connects
Thus reforwarding row makes " sintering process " to be ceaselessly carried out continuously, the yield of the speed of service " sinter " of " bogie chain " is determined
Due to the speed of service of " bogie chain ", and the speed of service of " bogie chain " is decided by the air velocity by grate gap
With throughput.
However the operational characteristic of sintering production makes it is the dust for having high-content by the waste gas stream in grate gap.Edge
The waste gas stream of the high-temperature difference of " bogie chain " length direction is again so that the dust in waste gas stream has by under pureed to high temperature
The variation of fluffy.Meanwhile sintering process carries out in high oxidative atmosphere again.It is exactly such a multiple to be sintered grate item
It is used under miscellaneous environment, therefore, sintering grate item must have a fire-resistant oxidation resistant, and with making the property that waste gas stream passes through
Energy.However the blocking in grate gap becomes always a big project of sintering profession.Conventional process method after the blocking of grate gap
It is mechanical vibrator, mechanical sweeper, manual cleaning etc..These " subsequent " measures produce little effect, so for many years always cannot be by
It is widely used.
Assembly quantity is big, replacement frequency height is another feature for being sintered grate item.A such as only 600m2Continuous pallettype sintering machine
The primary assembly amount of grate item is just up to 90,000 as many as 430 tons.Production loss in 1 minute is shut down just up to as many as 10 tons.It is frequent to shut down
Replace, service life it is of short duration be sintering production another big obstacle.At present sintering producer the grate first use service life be mostly
It differs within 3-12 months.Only for sintering grate item manufacture, the unique method for improving service life is exactly to increase the supplying of noble metal
Amount, however therefore this undoubtedly significantly increases the manufacturing cost of grate item again.
Invention content
The present invention is directed to thoroughly solve traditional grate.For this purpose, the present invention proposes that one kind being totally different from biography
The completely new sintering grate item of system sintering grate item, the rational design structure of the sintering grate item have following institute than conventional sintering grate item
State advantage (also both purpose of the present invention)；
(1) gap in use between grate item does not block.(the only several days time is just when the gap of conventional grate item is serious in use
Start to block, severe patient's almost all blocks, and the method that traditional solution blocks is mechanical sweeper, mechanical vibrator, manually
Cleaning etc., but the method for these " subsequent cleanings " is all abandoned because not prove effective, and it is going through for sintering profession that grate gap, which blocks,
History problem)
(2) the grate draught area designed is big.(the grate draught area of traditional design is only 12% left side of " bulk area "
The right side, grate item of the invention design the dead corner for solving grate both ends, the draught area in grate face are made to improve 5%-9%)
(3) light-weight.(weight of grate item reduces 5-28% under different sintering process conditions)
(4) (use of grate item improves 10% to service life length with the service life under same sintering process and grate material condition
More than), be applicable to various types of sintering machine (continuous pallettype sintering machine, step-by-step type sintering machine, circular travelling sintering machine), be applicable
In the sintering production of various different sintering production process conditions.
(5) by the change of design structure, this grate item can move in sintering machine operating in a certain range controllable
State state.To promote the blocking-proof result in grate gap.
The present invention also provides a kind of sintering machine, the sintering machine includes sintering grate item as described above.
Sintering grate item according to the ... of the embodiment of the present invention, the upper surface of the sintering grate item are described for carrying sintered material
Upper surface at least partly raises up to form the first lug boss, and the free end of first lug boss is tip (or arc
Shape).
Sintering grate item according to the ... of the embodiment of the present invention has tip or circular arc by being arranged on the upper surface of sintering grate item
First lug boss at end, not only eliminates blocking problem of the gap between conventional sintering grate item in sintering production, eliminates
The technical barrier of the both ends dead corner of conventional sintering grate item；Moreover, equal conditions are (for example, grate raw material mix, manufacture work
Skill, grate weight, sintering production process conditions etc.) under, grate structure is sintered by change, its service life can be made to be carried
High, reduction sintering grate item quantity consumed, and then the weight of entire sintering machine can be reduced.On the other hand, sintering of the invention
Grate item is applicable to the sintering machine under different sintering production process conditions.Suitable for various types of sintering machine, such as band
Thus formula sintering machine, step-by-step type sintering machine, circular travelling sintering machine etc. expand the scope of application of sintering grate item.
In some embodiments, the upper surface further includes the second lug boss, the height of second lug boss with it is described
The height of first lug boss may be configured as equal or unequal according to sintering process conditions.The effect of second lug boss is to be sintered
Grate both ends are overcome under production abnormal condition upwarps deformation.
In some embodiments, the length direction of first lug boss and second lug boss along the upper surface is arranged
Cloth, second lug boss are multiple, are set between two adjacent second lug bosses there are one first lug boss.
In some embodiments, the free end of second lug boss is plane.
In some embodiments, the height of second lug boss is higher than or waits the height higher than first lug boss.
In some embodiments, the side wall surface of the sintering grate item includes the first rake and the second rake, and described the
The lower end of one rake is connect with the upper end of second rake, on direction from top to bottom, first rake by
Gradually to the inner inclination of the sintering grate item, described second tilts the gradually outside inclination to the sintering grate item.
In some embodiments, the part of the side wall surface of the sintering grate item is recessed recess.
In some embodiments, the recess is the arcwall face to the sintering grate internal recess.
In some embodiments, the recess is located at second rake.
In some embodiments, in the width direction of the sintering grate item, the tip of first lug boss is located at institute
State the middle part of sintering grate item.
In some embodiments, the sintering grate item includes：Main part, the upper surface are configured to the main part
The side wall of upper surface, the end on the length direction of the main part is the first side wall；Interconnecting piece, the interconnecting piece are suitable for and platform
Bicycle beam connects；Transition part, the upper end of the transition part are connect with the lower end of the main part, the lower end of the transition part with it is described
The upper end of interconnecting piece connects, and on direction from top to bottom, the cross-sectional area of the transition part is gradually reduced, the transition part
The side wall of end on length direction is second sidewall, and the intersection that the second sidewall intersects with the first side wall includes arc
Line.
Sintering machine according to the ... of the embodiment of the present invention, including：Trolley body；Trolley beam, the trolley beam are located at the trolley body
It is interior；Multiple sintering grate items, the sintering grate item are sintering grate item as described above, the lower end of the sintering grate item and the trolley
Beam connects, and multiple sintering grate items are spaced apart along the length direction of the trolley beam, adjacent two sintering grate items
Between have gap；With the heat insulating mattress for the sintering grate item and the trolley body to be spaced apart, the heat insulating mattress is located at institute
State the end of sintering grate item.
In some embodiments, the sintering grate item includes：Main part, the upper surface are configured to the main part
The side wall of upper surface, the end on the length direction of the main part is the first side wall；Interconnecting piece, the interconnecting piece are suitable for and platform
Bicycle beam connects；Transition part, the upper end of the transition part are connect with the lower end of the main part, the lower end of the transition part with it is described
The upper end of interconnecting piece connects, and on direction from top to bottom, the cross-sectional area of the transition part is gradually reduced, the transition part
The side wall of end on length direction is second sidewall, and the intersection that the second sidewall intersects with the first side wall includes arc
Line, rounding off between adjacent two second sidewalls, the second sidewall are spaced apart with the heat insulating mattress.
Description of the drawings
Fig. 1 is the structural schematic diagram of sintering grate item according to the ... of the embodiment of the present invention；
Fig. 2 is in Fig. 1 along the sectional view in the directions A-A；
Fig. 3 is the close-up schematic view at B in Fig. 1；
Fig. 4 is the structural schematic diagram of sintering grate item according to the ... of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of sintering grate item according to the ... of the embodiment of the present invention and trolley beam cooperation；
Fig. 6 is the structural schematic diagram of sintering machine according to the ... of the embodiment of the present invention.
Reference numeral：
It is sintered grate item 100,
Upper surface 110,
First lug boss 120, tip 121, notch 122,
Second lug boss 130,
Side wall surface 140,
First rake 150,
Second rake 160, recess 161,
Main part 170, the first side wall 171, interconnecting piece 172, transition part 173, second sidewall 174, curved line 175, through-hole
176,
Sintering machine 200,
Trolley body 210, trolley beam 220, gap 231, heat insulating mattress 240,
Sintered material 300.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Sintering grate item 100 and sintering machine 200 according to the ... of the embodiment of the present invention is described in detail referring to Fig. 1-Fig. 6.This hair
Bright purpose is that the gap between solving sintering grate item 100 is not blocked in use, increases the design draught area of grate item, is reduced
The weight of grate item.It is sintered the shape of grate item 100 by change, the service life of sintering grate item 100 can be extended, in previous grate
The main method of grate service life to be improved is to improve the content of noble metal in item design.And the present invention is then with by grate item
The change of shape reaches the raising of the service life under other conditions same condition.
As shown in figs 1 to 6, the upper surface 110 of sintering grate item 100 according to the ... of the embodiment of the present invention is for carrying sinter
Material 300, upper surface 110 at least partly raises up to form the first lug boss 120, and the free end of the first lug boss 120 is
Tip or circular arc 121.It should be noted that by the way that the first lug boss with tip or circular arc 121 is arranged on upper surface 110
120, sintered material 300 can be effectively prevented and adhered on sintering grate item 100, when multiple are arranged inside sintering machine 200
When the sintering grate item 100 separated, the first lug boss 120 with tip 121 can make adjacent two be sintered between grate item 100
Gap 231 become larger, so as to reduce the possibility lumpd on sintering grate item 100 of sintered material 300.In addition, by setting
Tip or circular arc 121 are set, the both sides of the first lug boss 120 can be made to form inclined wall surface.Is fallen on when there is sintered material 300
When on one lug boss 120, sintered material 300 can slide along the volume inclined wall of the first lug boss 120, so as to prevent
Sintered material 300 is stacked on the upper surface 110 of sintering grate item 100, and then can be effectively reduced sintered material 300 and be sintered
The possibility lumpd on grate item 100.
It is of course also possible to which the end of the first lug boss 120 is designed to arc-shaped, two adjacent sintering can also be increased
Gap 231 between grate item 100 reduces the possibility that the gap between sintering grate item 100 is blocked, increases sintering grate item 100
Between draught area, overcome the technical barrier of the both ends dead corner of previous sintering grate item；Moreover, equal conditions (for example,
Raw material cooperation, manufacturing process, grate weight) under, 100 structure of grate item is sintered by change, its service life can be made to be carried
High, reduction sintering grate item 100 quantity consumed, and then the weight of entire sintering machine 200 can be reduced.On the other hand, by changing
Become 100 structure of sintering grate item, can make that it is suitable for various types of sintering machines, such as continuous pallettype sintering machine, step-by-step movement to burn
Knot machine, circular travelling sintering machine etc., thus shell expansion are sintered the scope of application of grate item 100.
The effect of first lug boss 120 can there are two；When grate lower flexure strain when overcoming improper working condition,
Second is that for set by a kind of side grate item of cancellation.Traditional most design of sinter machine need two kinds of grate items, i.e. side grate item and intermediate grate item,
This adds increased the manufacture difficulty of grate item and manufacturing costs.Notch 122 can be set on the upper surface 110 of sintering grate item 100, the
One lug boss 120 coordinates the use that can cancel side grate item with notch 122.
Sintering grate item 100 according to the ... of the embodiment of the present invention, by the way that the end of the first lug boss 120 could be provided as tip
Or the shape of arc end 121, the possibility that the gap between sintering grate item 100 is blocked is reduced, increases and is sintered between grate item 100
Draught area, overcome the technical barrier of conventional sintering grate both ends dead corner；Moreover, equal conditions are (for example, raw material is matched
Conjunction, manufacturing process, grate weight) under, 100 structure of grate item is sintered by change, its service life can be made to be improved, reduce
It is sintered the quantity consumed of grate item 100, and then the weight of entire sintering machine 200 can be reduced.On the other hand, grate is sintered by change
100 structure of item, can make that it is suitable for various types of sintering machines, such as continuous pallettype sintering machine, step-by-step type sintering machine, ring type
Sintering machine etc., thus shell expansion are sintered the scope of application of grate item 100.
As shown in Fig. 1, Fig. 3-Fig. 5, according to some embodiments of the present invention, upper surface 110 can also include the second protrusion
Portion 130, the height of the second lug boss 130 and the height of the first lug boss 120 according to sintering process conditions may be configured as it is equal or
It is unequal.It should be noted that the height of the first lug boss 120 can refer to：First lug boss 120 protrudes from upper surface 110
Highly, such as shown in figure 3, the first lug boss 120 (upper and lower directions as shown in Figure 3) in above-below direction height H；Second is convex
Playing the height in portion 130 can refer to：Second lug boss 130 protrudes from the height of upper surface 110, such as shown in figure 3, the second protrusion
The height h in portion 130 (upper and lower directions as shown in Figure 3) in above-below direction, wherein the height H of the first lug boss 120 and second is convex
The height h for playing portion 130 can be unequal.It is understood that by the way that different height protrusion is arranged on upper surface 110, it can be with
Overcome grate item deformation when improper sintering production technique.Sintered material 300 is prevented to be stacked into the upper surface of sintering grate item 100
On 110, and then the possibility that sintered material 300 lumps on sintering grate item 100 can be effectively reduced.Further, second
The height of lug boss 130 is greater than or equal to the height of the first lug boss 120, i.e. H≤h.
According to some embodiments of the present invention, the structure design of the second lug boss 130 can be in some sintering production works
The not normal factory of skill is to overcome set by the deformation of grate both ends.
In some embodiments of the invention, as shown in Figure 1, the length of the second lug boss 130 (" length " here can be with
Refer in Fig. 1 along the longitudinal direction on length) value range can be (0,250] mm, i.e. the length of the second lug boss 130 is big
In 0mm and it is less than or equal to 250mm.In some embodiments of the invention, as shown in Fig. 2, the height of the second lug boss 130 takes
Value may range from (0,10] mm, i.e. 0 ＜ h≤10mm.
In some embodiments of the invention, as shown in Figure 1, the length of the first lug boss 120 (" length " here can be with
Refer in Fig. 1 along the longitudinal direction on length) value range can be [30,150] mm, the i.e. length of the first lug boss 120
More than or equal to 30mm and it is less than or equal to 150mm.In some embodiments of the invention, as shown in Fig. 2, first lug boss 120
The value range of height can be (0,10] mm, i.e. 0 ＜ H≤10mm.
As shown in Figure 1, according to some embodiments of the present invention, the first lug boss 120 and the second lug boss 130 are along upper surface
110 length direction (front-rear direction as shown in Figure 1) arrangement, the second lug boss 130 are multiple, and adjacent two second are raised
First lug boss 120 there are one being set between portion 130.It is understood that the first lug boss 120 and the second lug boss 130 are spaced
Arrangement, it is possible thereby to the upper surface 110 for being sintered grate item 100 is configured to the bulge-structure of height staggeredly, so as to further
It prevents sintered material 300 to be stacked on the upper surface 110 of sintering grate item 100, reduces by 231 quilt of gap between sintering grate item 100
The possibility of blocking.According to some embodiments of the present invention, as shown in figure 4, the free end of the second lug boss 130 can be flat
Face, cross sectional shape also can be trapezoidal.Thus, it is possible to simplify the structure of sintering grate item 100, facilitate sintering grate item 100 processing and
Molding improves the non-deformability of grate end.
As shown in Figure 2, Figure 4 shows, in some embodiments of the invention, the side wall surface 140 of sintering grate article 100 may include the
One rake 150 and the second rake 160.The lower end of first rake 150 is connect with the upper end of the second rake 160, from
On direction (as shown in Figure 2, Figure 4 shows) under, gradually to the inner inclination of sintering grate item 100, second inclines the first rake 150
Tiltedly gradually tilted to the outside of sintering grate item 100.It is understood that when being arranged side by side there are two sintering grate item 100, it is adjacent
Two sintering grate items 100 the separate toward each other direction recess of opposite side walls, thus in two adjacent sintering grate items
It is configured to larger gap 231 between 100, is on the one hand conducive to air-flow and passes through, so as to promote sintering efficiency.It is another
Aspect can overcome the adherency for being mingled with dust in the gas flow in grate side surface.
According to some embodiments of the present invention, as shown in Fig. 2, the first rake 150 is (as shown in Figure 1 in above-below direction
Upper and lower directions) on height value range be (0,60] mm, i.e. the height of the first rake 150 in the up-down direction is more than
0mm and be less than or equal to 60mm.According to some embodiments of the present invention, as shown in Fig. 2, the first rake 150 front-rear direction (such as
Front-rear direction shown in FIG. 1) on length value range be (0,500] mm, i.e. the first rake 150 is in the longitudinal direction
Length is more than 0mm and is less than or equal to 500mm.
According to some embodiments of the present invention, as shown in Fig. 2, the part of the side wall surface 140 of sintering grate item 100 is recessed
Recess 161.It is possible thereby to further increase the gap 231 between two adjacent sintering grate items 100, to be conducive to be sintered
Material 300 tumbles, and prevents sintered material 300 to be deposited between two adjacent sintering grate items 100, while it is logical to be conducive to air-flow
It crosses, improves sintering efficiency.Further, as shown in Fig. 2, recess 161 is the arcwall face to sintering 100 internal recess of grate item.For
The structure of sintering grate item 100 is further improved, in some embodiments of the invention, recess 161 is located at the second rake 160
On.As shown in Fig. 2, according to some embodiments of the present invention, in the width direction of sintering grate item 100, the first lug boss 120
Tip 121 is located at the middle part of sintering grate item 100.Thus, it is possible between further increasing between two adjacent sintering grate items 100
Gap 231 is conducive to sintered material 300 and tumbles, and prevents sintered material 300 to be deposited between two adjacent sintering grate items 100, has
Pass through conducive to air-flow, improves sintering efficiency.Second rake 160 and recess 161 can be according to sintering production process conditions and
It is fixed, i.e., in the actual design of sintering grate item 100, it can be determined the need for using the according to the variation of sintering process conditions
Two rakes 160 or recess 161.
As shown in figure 4, according to some embodiments of the present invention, sintering grate item 100 may include main part 170, interconnecting piece
172 and transition part 173.Wherein, the upper surface of main part 170 is configured to upper surface 110, and interconnecting piece 172 is suitable for and trolley beam
220 connections, the upper end of transition part 173 are connect with the lower end of main part 170, the upper end of the lower end and interconnecting piece 172 of transition part 173
Connection, on direction from top to bottom, the cross-sectional area of transition part 173 is gradually reduced.It is possible thereby to mitigate sintering grate item 100
Weight.The side wall of end on the length direction of main part 170 is the first side wall 171, the end on the length direction of transition part 173
The side wall in portion is second sidewall 174, and the intersection that second sidewall 174 intersects with the first side wall 171 includes curved line 175, adjacent
Rounding off between two second sidewalls 174.When that will be sintered grate item 100 and be assembled to 200 inside of sintering machine, it is possible to reduce sintering
Contact area between grate item 100 and heat insulating mattress 240, so as to reduce the heat between sintering grate item 100 and heat insulating mattress 240
It transmits, so as to reduce energy loss, reduces 100 weight of sintering grate item, improves the anti-clogging for being sintered 100 gap of grate item
Energy.
As shown in figs 1 to 6, sintering machine 200 according to the ... of the embodiment of the present invention, including：Trolley body 210,220 and of trolley beam
Multiple sintering grate items 100, wherein sintering grate item 100 is the sintering grate item 100 as described in above-described embodiment.
Specifically, trolley beam 220 is located in the trolley body 210, lower end and the trolley beam 220 of sintering grate item 100 connect
It connects, multiple sintering grate items 100 are spaced apart along the length direction of trolley beam 220, are had between adjacent two sintering grate items 100
Gap 231.When sintering machine 200 works, air-flow direction shown in arrow a along Fig. 6 enters in trolley body 210, and air-flow passes through
It is passed through from the gap 231 between adjacent two sintering grates items 100 after sintered material 300, then along in Fig. 6 shown in arrow b
Direction outflow.
Sintering machine 200 according to the ... of the embodiment of the present invention has point by being arranged on the upper surface 110 of sintering grate item 100
First lug boss 120 at end 121 can not only increase the gap 231 between adjacent two sintering grates items 100, can also be
Inclined wall surface is formed on upper surface 110, when there is sintered material 300 to fall on the first lug boss 120, sintered material 300 can
To be slid along the volume inclined wall of the first lug boss 120, thus, it is possible to which sintered material 300 is prevented to be stacked into sintering grate item 100
Upper surface 110 on, and then the possibility lumpd on sintering grate item 100 of sintered material 300 can be effectively reduced.
According to some embodiments of the present invention, sintering grate item 100 is embedded in trolley beam 220, it is possible thereby to enhance sintering
Bonding strength between grate item 100 and trolley beam 220.Further to extend the service life of sintering grate item 100, the present invention's
In some embodiments, as shown in figure 5, sintering grate item 100 is equipped with heat insulating mattress 240.
As shown in Figure 4-Figure 6, according to some embodiments of the present invention, sintering grate item 100 may include：It is sintered grate item 100
May include main part 170, interconnecting piece 172 and transition part 173.Wherein, the upper surface of main part 170 is configured to upper surface
110, interconnecting piece 172 is suitable for connecting with trolley beam 220, and the upper end of transition part 173 is connect with the lower end of main part 170, transition part
173 lower end is connect with the upper end of interconnecting piece 172, and on direction from top to bottom, the cross-sectional area of transition part 173 gradually subtracts
It is small.It is possible thereby to mitigate the weight of sintering grate item 100.The side wall of end on the length direction of main part 170 is the first side wall
171, the side wall of the end on the length direction of transition part 173 is second sidewall 174, second sidewall 174 and 171 phase of the first side wall
The intersection of friendship includes curved line 175, and second sidewall 174 is spaced apart with heat insulating mattress 240.It should be noted that grate item will be sintered
100 when being assembled to 200 inside of sintering machine, it is possible to reduce the contact area between sintering grate item 100 and heat insulating mattress 240, so as to
To reduce the heat transfer between sintering grate item 100 and heat insulating mattress 240, so as to reduce energy loss.The one of the present invention
In a little embodiments, the side wall in addition to second sidewall 174 and rounding off between second sidewall 174 of transition part 173.
In some embodiments of the invention, as shown in figure 4, the top of curved line 175 to upper surface 110 it is vertical away from
From for (0,30] mm, i.e., the vertical range of the top of curved line 175 to upper surface 110 be more than 0mm and be less than or equal to 30mm.
In some embodiments of the present invention, as shown in figure 4, vertical range of the bottom of curved line 175 to the top of curved line 175
For (0,30] mm, i.e. the vertical range of the bottom of curved line 175 to the top of curved line 175 is more than and 0mm and is less than or equal to
30mm.In some embodiments of the invention, as shown in figure 4, curved line 175 be in arc-shaped, and the value range of radius be (0,
30] mm, the i.e. radius of circular arc are more than 0mm and are less than or equal to 30mm.
In some embodiments of the invention, as shown in figure 4, the bottom of curved line 175 to the transition part 173 most
The distance of lower end be (0,70] mm, i.e., the lowermost distance of the bottom of curved line 175 to the transition part 173 is more than 0mm
And it is less than or equal to 70mm.In some embodiments of the invention, as shown in figure 4, the top of curved line 175 is to the transition part
173 the lowermost distance for (0,80] mm, i.e. the lowermost distance of the top of curved line 175 to the transition part 173
More than 0mm and it is less than or equal to 80mm.
In some embodiments of the invention, as shown in figure 4, the main part 170 of sintering grate item 100 in left and right directions (such as
Left and right directions shown in Fig. 4) on width be [20,50] mm, that is, be sintered the main part 170 of grate item 100 in the lateral direction
Width is more than or equal to 20mm and is less than or equal to 50mm.In some embodiments of the invention, as shown in figure 4, being sintered grate item 100
The width of the bottom of transition part 173 in the lateral direction is [4,15] mm, the bottom of the transition part 173 of sintering grate item 100
Width in the lateral direction is more than or equal to 4 and is less than or equal to 15mm.
In some embodiments of the invention, as shown in figure 4, the end of the interconnecting piece 172 of sintering grate item 100 is in right and left
Upward width is [4,15] mm, is sintered the width of the end of the interconnecting piece 172 of grate item 100 in the lateral direction and is more than or equal to 4
And it is less than or equal to 15mm.In some embodiments of the invention, as shown in Figure 1, interconnecting piece 172 is equipped with through-hole 176, through-hole
176 area be (0,50] square centimeter, i.e., the area of through-hole 176 be more than 0 and be less than or equal to 50 square centimeters.It is logical by being arranged
Hole 176 can achieve the purpose that overcome the downwarp of being heated of sintering grate item 100 to reduce weight again.The shape of through-hole 176 may be configured as justifying
Shape, ellipse or arbitrary polygon.
According to some embodiments of the present invention, the upper surface 110 of sintering grate item 100 has notch 122.It needs to illustrate
It is that notch 122 is the side grate item of the sintering machine to cancel some relevant designs and is arranged.When sintering machine does not have in original designs
When the grate of side, it is convenient to omit 122 structure of notch.
Sintering machine 200 according to the ... of the embodiment of the present invention has the following advantages：
1) sintering grate 100 blocking-proof results of item are good, and anti-clogging performance is good；
2) service life under same grate material fiting ratio example, same sintering process conditions under the conditions of grate obtains 10-
20% or more raising, and the weight for being sintered grate item 100 can obtain the reduction of 5-28%.
3) static to change with dynamic.In the related technology, sintering grate item and the body of " being sintered anti-blocking grate item " are to fasten
Structure type by trolley heat insulation pad 240 be mounted on pallet on.And the sintering grate item 100 in the application can be by
The operation power of sintering machine 200 generates longitudinal movement with transverse direction, it is possible thereby to which so that the gap 231 between sintering grate item is accomplished
" two-way " is anti-blocking (grate strip is anti-blocking anti-blocking with motion morphology), to reach blocking-proof result under sintering process conditions good
Advantage.
4) there is heat insulating function, reduce pallet received heat.In the related technology, sintering grate both ends and heat insulating mattress 240
Be the combining form of " face contact ", and in the application be then the structure type of " point contact ", it is possible thereby to reduce sintering grate item with
The contact area of the contact area of heat insulating mattress 240 or trolley body 210, reduction can reach 80%, and high temperature can be reduced with this
" sintering process " by being sintered grate item, heat insulating mattress 240, to the heat transfer of trolley body 210.For heat insulating mattress 240, trolley body 210
Service life create advantage.
5) draught area of design is improved.In the related technology, due to the two of the unreasonable design structure formation of sintering grate item
It holds " dead corner ", the design draught area of sintering grate item is only 12% or so of grate face.And in the application, eliminate this
" dead corner " so that draught area can improve 5-9%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (13)
1. a kind of sintering grate item, which is characterized in that the upper surface of the sintering grate item is for carrying sintered material, the upper surface
At least partly raise up to form the first lug boss, the free end of first lug boss is tip or arc end.
2. sintering grate item according to claim 1, which is characterized in that the upper surface further includes the second lug boss, described
The height of the height of second lug boss and first lug boss may be configured as equal or unequal according to sintering process conditions.
3. sintering grate item according to claim 2, which is characterized in that first lug boss and second lug boss edge
The length direction of the upper surface is arranged, and second lug boss is multiple, is set between two adjacent second lug bosses
There are one first lug bosses.
4. sintering grate item according to claim 2, which is characterized in that the free end of second lug boss is plane or arc
Face.
5. sintering grate item according to claim 2, which is characterized in that the height of second lug boss is greater than or equal to institute
State the height of the first lug boss.
6. sintering grate item according to claim 1, which is characterized in that the side wall surface of the sintering grate item includes the first inclination
Portion and the second rake, the lower end of first rake is connect with the upper end of second rake, in side from top to bottom
Upwards, gradually to the inner inclination of the sintering grate item, described second tilts gradually to the sintering grate first rake
The outside of item tilts.
7. sintering grate item according to claim 6, which is characterized in that the part concave shaped of the side wall surface of the sintering grate item
At recess.
8. sintering grate item according to claim 7, which is characterized in that the recess is to the sintering grate internal recess
Arcwall face.
9. sintering grate item according to claim 6, which is characterized in that the recess is located at second rake.
10. sintering grate item according to claim 1, which is characterized in that described in the width direction of the sintering grate item
The tip of first lug boss is located at the middle part of the sintering grate item.
11. being sintered grate item according to claim 1-10 any one of them, which is characterized in that the sintering grate item includes：
Main part, the upper surface are configured to the upper surface of the main part, the end on the length direction of the main part
Side wall be the first side wall；
Interconnecting piece, the interconnecting piece are suitable for connecting with trolley beam；
Transition part, the upper end of the transition part are connect with the lower end of the main part, the lower end of the transition part and the connection
The upper end in portion connects, and on direction from top to bottom, the cross-sectional area of the transition part is gradually reduced, the length of the transition part
The side wall of end on direction is second sidewall, and the intersection that the second sidewall intersects with the first side wall includes curved line.
12. a kind of sintering machine, which is characterized in that including：
Trolley body；
Trolley beam, the trolley beam are located in the trolley body；
Multiple sintering grate items, the sintering grate item are the sintering grate item according to any one of claim 1-11, the burning
The lower end of knot grate item is connect with the trolley beam, and multiple sintering grate items are spaced apart along the length direction of the trolley beam,
There is gap between two adjacent sintering grate items；
For by the sintering grate item and the trolley body heat insulating mattress spaced apart, the heat insulating mattress to be located at the sintering grate item
End.
13. sintering machine according to claim 12, which is characterized in that the sintering grate item includes：
Main part, the upper surface are configured to the upper surface of the main part, the end on the length direction of the main part
Side wall be the first side wall；
Interconnecting piece, the interconnecting piece are suitable for connecting with trolley beam；
Transition part, the upper end of the transition part are connect with the lower end of the main part, the lower end of the transition part and the connection
The upper end in portion connects, and on direction from top to bottom, the cross-sectional area of the transition part is gradually reduced, the length of the transition part
The side wall of end on direction is second sidewall, and the intersection that the second sidewall intersects with the first side wall includes curved line,
Rounding off between two adjacent second sidewalls, the second sidewall are spaced apart with the heat insulating mattress.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721589814.9U CN207649352U (en) | 2017-11-24 | 2017-11-24 | It is sintered grate item and the sintering machine with it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721589814.9U CN207649352U (en) | 2017-11-24 | 2017-11-24 | It is sintered grate item and the sintering machine with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764059A (en) * | 2017-11-24 | 2018-03-06 | 韩家忠 | Sinter grate bar and there is its sintering machine |
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2017
- 2017-11-24 CN CN201721589814.9U patent/CN207649352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764059A (en) * | 2017-11-24 | 2018-03-06 | 韩家忠 | Sinter grate bar and there is its sintering machine |
| CN107764059B (en) * | 2017-11-24 | 2024-05-28 | 韩家忠 | Sintering grate bar and sintering machine with same |
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