CN107717255A - A kind of manufacture method of fire grate bar - Google Patents
A kind of manufacture method of fire grate bar Download PDFInfo
- Publication number
- CN107717255A CN107717255A CN201711128894.2A CN201711128894A CN107717255A CN 107717255 A CN107717255 A CN 107717255A CN 201711128894 A CN201711128894 A CN 201711128894A CN 107717255 A CN107717255 A CN 107717255A
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- Prior art keywords
- welding
- fire grate
- grate bar
- substrate
- grid section
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
- F27B21/02—Sintering grates or tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wire Processing (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of manufacture method of fire grate bar in manufacturing technology field, comprise the following steps：The individual grid section bodies of n ' are combined；Last layer and the material identical material of welding wire two are plated on each grid section body；Each grid section body is placed on substrate, the linkage section of adjacent grid section body is corresponding with 2 fluid slots of adjacent substrate face；The preparation of program code；Weld preparation；Start the built-up welding of supporting construction one；Stop the built-up welding of supporting construction one；Start the built-up welding of supporting construction two；Stop the built-up welding of supporting construction two；Welding wire one in automatic wire feeder changes welding wire two into；Start the built-up welding of drip molding；Substrate is pulled down and is transferred to heating furnace；The heating-up temperature of heating furnace is set；Start heating furnace heated components, supporting construction one and supporting construction two is thoroughly melted, substrate separates with fire grate bar；Heating furnace is closed, fire grate bar is removed after part cooling；The fire grate bar intensity that the present invention manufactures is big, and simple and reliable, labor intensity is small.
Description
Technical field
The present invention relates to a kind of manufacture method, more particularly to a kind of manufacture method of fire grate bar.
Background technology
Pallet is the important component of sintering machine, and grid section is sequentially arranged in trolley beam or on collet, is reduced
Sintering deposit is transmitted to the heat in trolley beam or thermal insulation barriers by grid section, so as to extend the service life of pallet.Existing stove
Grid section is single, is not combined what is used, existing fire grate bar low intensity, is not easy to change and overturns easily to fall
Fall, more combine the method for using and forming new fire grate bar without manufacture grid section body.
The content of the invention
For in the prior art the defects of, it is bad it is an object of the invention to solve above-mentioned prior art products uniformity
Technical problem, there is provided a kind of manufacture method of fire grate bar, present invention basis are actually needed the stove for producing fire grate bar, manufacturing
Grid section structural strength is big, and upset is not fallen out, and is simple to manufacture reliable.
The object of the present invention is achieved like this：A kind of manufacture method of fire grate bar, fire grate bar includes grid section body, on a left side
In right direction, one end of the grid section body topmost is provided with flange part, and the other end of grid section body topmost is provided with and flange
Portion's shape identical groove, the flange part may be stuck in groove；As needed by n（n≥1）Individual grid section body combines and made
With fire grate bar is formed, the device that auxiliary manufactures the fire grate bar includes supporting mechanism and several substrates, and substrate is in left and right directions
On both ends be provided with the fluid slot for being large enough to hold flange part, the supporting mechanism includes liftable support frame and moveable
Workbench, welding gun is fixed with support frame as described above, the horizontal part of connecting seat, the horizontal part are fixed with the shell of the welding gun
End be connected with the rake tilted down, wire feed guide head is connected with the rake, wire feed guide head is to send automatically
A part for silk machine, welding gun is a part for automatic wire bonder, below the plumb joint of the positive Butt welding gun of welding wire in wire feed guide head
Welding region；The method for manufacturing the fire grate bar comprises the following steps：
（1）Last layer and the material identical material of welding wire two are plated on each grid section body；
（2）According to being actually needed n '（n’ ≥2）Individual grid section body is combined, i.e., the flange part of one grid section body is caught in
In the groove of another grid section body, the like, form the fire grate bars of needs；
（3）Each grid section body is placed on substrate, the linkage section of adjacent grid section body and 2 fluids of adjacent substrate face
Groove is corresponding；
（4）The preparation of program code：Built-up welding control program is write using automatic programming software, and inputs the control electricity of manufacturing equipment
Brain；
（5）Weld preparation：It will be placed into grid section body number identical substrate on workbench, first substrate a1 is fixedly mounted
Onto workbench, after second substrate a2 and a1 opposite end is close together, substrate a2 is fixedly installed on workbench, will
After 3rd substrate a3 and second substrate a2 opposite end is close together, the 3rd substrate a3 is fixedly installed to workbench
On, the like, welding wire one is inserted in automatic wire feeder；
（6）Start the built-up welding of supporting construction one：Automatic wire feeder and welding gun are connected, adjusts the source location set of built-up welding, control branch
Support declines, and the welding wire one of wire feed guide head bottom is directed at the welding region that the edge of grid section body intersects with substrate, operation
Control program, control moving horizontally for workbench, control computer control automatic wire feeder automatic feeding, until the side of grid section body
Built-up welding is completed between edge area and substrate, is formed the supporting construction one of supporting substrate and fire grate bar, fire grate bar is fixed on split and exist
On substrate together；
（7）Automatic wire feeder is closed, stops the built-up welding of supporting construction one；
（8）Start the built-up welding of supporting construction two：Automatic wire feeder and welding gun are connected, the source location set of built-up welding is adjusted, makes welding
The built-up welding region vacated between on the upside of head alignment adjacent substrate, runs control program, and control workbench one moves horizontally, and controls
The lifting of support frame, control computer control automatic wire feeder automatic feeding, until the region heap between all adjacent substrates is soldered
Into formation supporting construction two；
（9）Automatic wire feeder is closed, stops the built-up welding of supporting construction two；
（10）Weld preparation is done again：Welding wire one in automatic wire feeder changes welding wire two into；
（11）Start the built-up welding of drip molding：Automatic wire feeder and welding gun are connected, the source location set of built-up welding is adjusted, makes plumb joint pair
The gap left corresponding to quasi- fire grate bar end between flange part and groove, controls the movement of workbench, until all adjacent grid sections
The gap built-up welding left between the flange part and groove of body is completed, and forms shaped structure, makes the structure of fire grate bar more stable；
（12）Substrate is removed from workbench, and is transferred in heating furnace；
（13）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire one and less than fire grate bar, substrate, welding wire
Two fusing point；
（14）Start heating furnace heated components, supporting construction one and supporting construction two is thoroughly melted, so as to substrate and fire grate bar
Separation；
（15）Heating furnace is closed, fire grate bar is removed from substrate after part cooling, completes the manufacture of fire grate bar；
Wherein, the fusing point of welding wire one is less than the fusing point of welding wire two, and the fusing point of welding wire two is less than the fusing point of grid section body.
In order to which the fire grate bar to combine is separated, when 1 be actually needed grid section body forms fire grate bar, manufacturer
Method comprises the following steps：
（15a）By the step（15）In fire grate bar be put into heating furnace；
（15b）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire two and the fusing point less than grid section body,
Shaped structure is set thoroughly to melt, so as to which each grid section body is separated from each other；
（15c）Heating furnace is closed, takes out the fire grate bar separated out of heating furnace after part cooling, completes the system of fire grate bar
Make.
As a further improvement on the present invention, the step（6）And step（11）In, by controlling computer to control workbench
Movement.
In order to prevent the oxidation of overlay cladding, the automatic wire bonder connection stores the gas bomb of argon gas, before starting built-up welding,
Automatic wire bonder connects argon gas, and the welding tip of welding gun sprays argon gas；After the completion of welding, argon gas is remained up for a period of time, prevent
Oxidation.
In order to further improve welding wire two and the reliability of fire grate bar welding, the step（3）In, the plating on grid section body
Thickness degree is not less than 3mm.
Compared with prior art, the technique effect having is the present invention：Grid section body is welded on substrate in the present invention,
Supporting construction one of the plane that built-up welding comes out as fixed position between each substrate, another plane that built-up welding comes out are made
For supporting the supporting construction two of fire grate bar fixed position on substrate, to make the attachment structure between substrate and grid section body more
Add stabilization；The fluid slot set on substrate facilitates the welding wire one under molten condition to be flowed out along fluid slot；Use this manufacture method
The fire grate bar structure produced is relatively reliable and product is consistent, and easily manufactured, labor intensity is small；One is needed when in actual use
, only need to be by the fire grate bar to combine before according to step when individual grid section body forms fire grate bar, and during no existing finished product
Suddenly（15a）- step（15c）Method just separate, form single fire grate bar, method is simple and reliable；Present invention can apply to
Manufacture is needed in the work according to the fire grate bar for being actually needed combine use or used aloned.
Brief description of the drawings
Fig. 1 is the structural representation of single fire grate bar in the present invention.
Fig. 2 is the structural representation that 2 fire grate bars combine when using in the present invention.
Stereochemical structure sketch when Fig. 3 is auxiliary manufacture fire grate bar in the present invention.
Fig. 4 is the partial enlarged drawing A of the present invention.
Wherein, 1 grid section body, 2 grooves, 3 flange parts, 4 workbench, 5 wire feed guide heads, 6 welding guns, 7 substrates, 8 fluids
Groove, 9 holding cards, 10 connecting seats, 1001 horizontal parts, 1002 rakes, 11 support frames.
Embodiment
Further explanation is made to the present invention below in conjunction with the accompanying drawings.
A kind of manufacture method of fire grate bar, fire grate bar include grid section body 1, in the lateral direction, the topmost of grid section body 1
One end be provided with flange part 3, the other end of the topmost of grid section body 1 is provided with and the shape identical groove 2 of flange part 3, flange part 3
It may be stuck in groove 2；As needed by n（n≥1）Individual grid section body 1 combines using fire grate bar is formed, and auxiliary manufactures fire grate
The device of bar includes supporting mechanism and several substrates 7, and the both ends of substrate 7 in the lateral direction, which are provided with, is large enough to hold flange part
3 fluid slot 8, supporting mechanism include liftable support frame 11 and moveable workbench 4, holding card are fixed with support frame 11
9, the locking of welding gun 6 is fixed with the horizontal part 1001 of connecting seat 10 by holding card 9 on the shell of welding gun 6, the end of horizontal part 1001 connects
The rake 1002 tilted down is connected to, wire feed guide head 5 is connected with rake 1002, wire feed guide head 5 is automatic feeding
A part for machine, welding gun 6 are a parts for automatic wire bonder, below the plumb joint of the positive Butt welding gun 6 of welding wire in wire feed guide head 5
Welding region；The method of manufacture fire grate bar comprises the following steps：
（1）Last layer and the material identical material of welding wire two are plated on each grid section body 1；
（2）According to being actually needed n '（n’ ≥2）Individual grid section body 1 combines, i.e., the flange part 3 of one grid section body 1 blocks
Enter in the groove 2 of another grid section body 1, the like, form the fire grate bars of needs；
（3）Each grid section body 1 is placed on substrate 7, the linkage section of adjacent grid section body 1 with 2 of the face of adjacent substrate 7
The correspondence of fluid slot 8；
（4）The preparation of program code：Built-up welding control program is write using automatic programming software, and inputs the control electricity of manufacturing equipment
Brain；
（5）Weld preparation：It will be placed into 1 number identical substrate 7 of grid section body on workbench 4, first substrate a1 is fixed
It is installed on workbench 4, after second substrate a2 and a1 opposite end is close together, substrate a2 is fixedly installed to workbench
On 4, after the 3rd substrate a3 and second substrate a2 opposite end is close together, the 3rd substrate a3 is fixedly installed to work
Make on platform 4, the like, welding wire one is inserted in automatic wire feeder；
（6）Start the built-up welding of supporting construction one：Automatic wire feeder and welding gun 6 are connected, adjusts the source location set of built-up welding, control branch
Support 11 declines, and the welding wire one of the bottom of wire feed guide head 5 is directed at the welding region that the edge of grid section body 1 intersects with substrate 7,
Control program is run, control workbench 4 moves horizontally, control computer control automatic wire feeder automatic feeding, until grid section sheet
Whole built-up welding are completed between the marginal zone of body 1 and substrate 7, are formed the supporting construction one of supporting substrate 7 and fire grate bar, are made fire grate bar
It is fixed on substrate 7 stitched together；
（7）Automatic wire feeder is closed, stops the built-up welding of supporting construction one；
（8）Start the built-up welding of supporting construction two：Automatic wire feeder and welding gun 6 are connected, the source location set of built-up welding is adjusted, makes welding
The built-up welding region vacated between the upside of head alignment adjacent substrate 7, runs control program, control workbench 4 one moves horizontally, and controls
The lifting of support frame 11 processed, control computer control automatic wire feeder automatic feeding, until the region heap between all adjacent substrates 7
It is soldered into, forms supporting construction two；
（9）Automatic wire feeder is closed, stops the built-up welding of supporting construction two；
（10）Weld preparation is done again：Welding wire one in automatic wire feeder changes welding wire two into；
（11）Start the built-up welding of drip molding：Automatic wire feeder and welding gun 6 are connected, the source location set of built-up welding is adjusted, makes plumb joint
The gap left corresponding to alignment fire grate bar end between flange part 3 and groove 2, controls the movement of workbench 4, until all adjacent
The gap built-up welding left between the flange part 3 and groove 2 of grid section body 1 is completed, and is formed shaped structure, is made the structure of fire grate bar more
It is stable；
（12）Substrate 7 is removed from workbench 4, and is transferred in heating furnace；
（13）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire one and less than fire grate bar, substrate 7, weldering
The fusing point of silk two；
（14）Start heating furnace heated components, supporting construction one and supporting construction two is thoroughly melted, so as to substrate 7 and fire grate bar
Separation；
（15）Heating furnace is closed, fire grate bar is removed from substrate 7 after part cooling, completes the manufacture of fire grate bar；
Wherein, the fusing point of welding wire one is less than the fusing point of welding wire two, and the fusing point of welding wire two is less than the fusing point of grid section body 1.
In order to which the fire grate bar to combine is separated, when 1 be actually needed grid section body 1 forms fire grate bar, manufacture
Method comprises the following steps：
（15a）By step（15）In fire grate bar be put into heating furnace；
（15b）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire two and melting less than grid section body 1
Point, makes shaped structure thoroughly melt, so as to which each grid section body 1 is separated from each other；
（15c）Heating furnace is closed, takes out the fire grate bar separated out of heating furnace after part cooling, completes the system of fire grate bar
Make.
Wherein, step（6）And step（11）In, by controlling computer to control movement and the support frame 11 of workbench 4
Lifting；
The support frame 11 and workbench 4 used in the present invention is common anything, support frame 11 and work on the lathe of prior art
When making the only aid of platform 4, therefore not illustrating how to realize the lifting of support frame 11 and the left-right and front-back movement of workbench 4
Concrete structure（As shown in figure 3, support frame 11 and workbench 4 are a simple signal, support frame 11 and workbench 4 are driven
The structure of action does not show）.
In order to prevent the oxidation of overlay cladding, automatic wire bonder connects the gas bomb for storing argon gas, before starting built-up welding, automatically
Welding wire machine connects argon gas, and the welding tip of welding gun 6 sprays argon gas；After the completion of welding, argon gas is remained up for a period of time, anti-block
Change.
In order to further improve welding wire two and the reliability of fire grate bar welding, step（3）In, the coating on grid section body 1
Thickness is not less than 3mm.
Compared with prior art, the technique effect having is the present invention：Grid section body 1 is welded on substrate 7 in the present invention
On, supporting construction one of the plane as fixed position between each substrate 7 that built-up welding comes out, built-up welding come out another is flat
Face makes the company between substrate 7 and grid section body 1 as supporting the supporting construction two of fire grate bar fixed position on substrate 7
Binding structure is more stable；The fluid slot 8 set on substrate 7 facilitates the welding wire one under molten condition to be flowed out along fluid slot 8；Use
The fire grate bar structure that this manufacture method produces is relatively reliable and product is consistent, and easily manufactured, labor intensity is small；Work as actual use
In when only needing grid section body 1 to form fire grate bar, and during without existing finished product, the stove that will need to only combine before
Grid section is according to step（15a）- step（15c）Method just separate, form single fire grate bar, method is simple and reliable；This hair
In the bright work that can be applied to manufacture and need according to the fire grate bar for being actually needed combine use or used aloned.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation all falls in the scope of protection of the present invention.
Claims (5)
1. a kind of manufacture method of fire grate bar, it is characterised in that fire grate bar includes grid section body, in the lateral direction, the comb
One end of bar body topmost is provided with flange part, and the other end of grid section body topmost is provided with recessed with flange part shape identical
Groove, the flange part may be stuck in groove；As needed by n（n≥1）Individual grid section body combines using composition fire grate bar,
Manufacturing the device of the fire grate bar includes supporting mechanism and several substrates, and the both ends of substrate in the lateral direction are provided with enough
The fluid slot of flange part is accommodated, the supporting mechanism includes liftable support frame and moveable workbench, support frame as described above
On be fixed with welding gun, the horizontal part of connecting seat is fixed with the shell of the welding gun, the end of the horizontal part is connected with downwards
Inclined rake, is connected with wire feed guide head on the rake, and wire feed guide head is a part for automatic wire feeder, welding gun
It is a part for automatic wire bonder, the welding region below the plumb joint of the positive Butt welding gun of welding wire in wire feed guide head；Manufacture institute
The method for stating fire grate bar comprises the following steps：
（1）Last layer and the material identical material of welding wire two are plated on each grid section body；
（2）According to being actually needed n '（n’ ≥2）Individual grid section body is combined, i.e., the flange part of one grid section body is caught in
In the groove of another grid section body, the like, form the fire grate bars of needs；
（3）Each grid section body is placed on substrate, the linkage section of adjacent grid section body and 2 fluids of adjacent substrate face
Groove is corresponding；
（4）The preparation of program code：Built-up welding control program is write using automatic programming software, and inputs the control electricity of manufacturing equipment
Brain；
（5）Weld preparation：It will be placed into grid section body number identical substrate on workbench, first substrate a1 is fixedly mounted
Onto workbench, after second substrate a2 and a1 opposite end is close together, substrate a2 is fixedly installed on workbench, will
After 3rd substrate a3 and second substrate a2 opposite end is close together, the 3rd substrate a3 is fixedly installed to workbench
On, the like, welding wire one is inserted in automatic wire feeder；
（6）Start the built-up welding of supporting construction one：Automatic wire feeder and welding gun are connected, adjusts the source location set of built-up welding, control branch
Support declines, and the welding wire one of wire feed guide head bottom is directed at the welding region that the edge of grid section body intersects with substrate, operation
Control program, control moving horizontally for workbench, control computer control automatic wire feeder automatic feeding, until the side of grid section body
Built-up welding is completed between edge area and substrate, is formed the supporting construction one of supporting substrate and fire grate bar, fire grate bar is fixed on split and exist
On substrate together；
（7）Automatic wire feeder is closed, stops the built-up welding of supporting construction one；
（8）Start the built-up welding of supporting construction two：Automatic wire feeder and welding gun are connected, the source location set of built-up welding is adjusted, makes welding
The built-up welding region vacated between on the upside of head alignment adjacent substrate, runs control program, and control workbench one moves horizontally, and controls
The lifting of support frame, control computer control automatic wire feeder automatic feeding, until the region heap between all adjacent substrates is soldered
Into formation supporting construction two；
（9）Automatic wire feeder is closed, stops the built-up welding of supporting construction two；
（10）Weld preparation is done again：Welding wire one in automatic wire feeder changes welding wire two into；
（11）Start the built-up welding of drip molding：Automatic wire feeder and welding gun are connected, the source location set of built-up welding is adjusted, makes plumb joint pair
The gap left corresponding to quasi- fire grate bar end between flange part and groove, controls the movement of workbench, until all adjacent grid sections
The gap built-up welding left between the flange part and groove of body is completed, and forms shaped structure, makes the structure of fire grate bar more stable；
（12）Substrate is removed from workbench, and is transferred in heating furnace；
（13）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire one and less than fire grate bar, substrate, welding wire
Two fusing point；
（14）Start heating furnace heated components, supporting construction one and supporting construction two is thoroughly melted, so as to substrate and fire grate bar
Separation；
（15）Heating furnace is closed, fire grate bar is removed from substrate after part cooling, completes the manufacture of fire grate bar；
Wherein, the fusing point of welding wire one is less than the fusing point of welding wire two, and the fusing point of welding wire two is less than the fusing point of grid section body.
A kind of 2. manufacture method of fire grate bar according to claim 1, it is characterised in that 1 grid section sheet being actually needed
When body forms fire grate bar, manufacture method comprises the following steps：
（15a）By the step（15）In fire grate bar be put into heating furnace；
（15b）The heating-up temperature of heating furnace is set, makes fusing point of the heating-up temperature higher than welding wire two and the fusing point less than grid section body,
Shaped structure is set thoroughly to melt, so as to which each grid section body is separated from each other；
（15c）Heating furnace is closed, takes out the fire grate bar separated out of heating furnace after part cooling, completes the system of fire grate bar
Make.
A kind of 3. manufacture method of fire grate bar according to claim 1 or 2, it is characterised in that the step（6）And step
（11）In, by controlling computer to control the movement of workbench.
4. the manufacture method of a kind of fire grate bar according to claim 1 or 2, it is characterised in that the automatic wire bonder connects
The logical gas bomb for storing argon gas, before starting built-up welding, automatic wire bonder connects argon gas, and the welding tip of welding gun sprays argon gas；Weldering
After the completion of connecing, argon gas is remained up for a period of time, anti-oxidation.
A kind of 5. manufacture method of fire grate bar according to claim 1 or 2, it is characterised in that the step（3）In, comb
Thickness of coating on bar body is not less than 3mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128894.2A CN107717255B (en) | 2017-11-15 | 2017-11-15 | method for manufacturing grate bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128894.2A CN107717255B (en) | 2017-11-15 | 2017-11-15 | method for manufacturing grate bar |
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| CN107717255A true CN107717255A (en) | 2018-02-23 |
| CN107717255B CN107717255B (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091533A (en) * | 2020-08-11 | 2020-12-18 | 江苏民威机电有限公司 | Production method of high-temperature-resistant grate bars |
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| CN204555678U (en) * | 2015-04-10 | 2015-08-12 | 武钢集团昆明钢铁股份有限公司 | A kind of convenient grate bar of sintering machine trolley installed |
| CN205279740U (en) * | 2015-12-24 | 2016-06-01 | 黄石新兴管业有限公司 | Prevent sintering machine platform truck that fire grate bar and heat insulation part drop |
| CN206496646U (en) * | 2017-02-17 | 2017-09-15 | 靖江市玉盛特钢厂 | A kind of fire grate bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091533A (en) * | 2020-08-11 | 2020-12-18 | 江苏民威机电有限公司 | Production method of high-temperature-resistant grate bars |
| CN112091533B (en) * | 2020-08-11 | 2021-08-24 | 江苏民威机电有限公司 | Production method of high-temperature-resistant grate bars |
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