CN108826963A - A kind of split type grate-kiln grate plate, connection structure and its manufacturing method - Google Patents
A kind of split type grate-kiln grate plate, connection structure and its manufacturing method Download PDFInfo
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- CN108826963A CN108826963A CN201810840321.0A CN201810840321A CN108826963A CN 108826963 A CN108826963 A CN 108826963A CN 201810840321 A CN201810840321 A CN 201810840321A CN 108826963 A CN108826963 A CN 108826963A
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- Prior art keywords
- grate
- kiln
- grate plate
- split type
- bond end
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Classifications
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- 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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
It includes connection wall and grate lath that the present invention, which provides a kind of split type grate-kiln grate plate, connection structure and its manufacturing method, grate plate,；Grate lath is respectively arranged at the both ends of connection wall, to form linkage section and bond end；Grate lath intermediate symmetry is equipped with strip hole；Grate lath two sides are equipped with half pore structure；Using above technical scheme, effectively eliminate the stress in whole grate-kiln grate plate between grate item and grate item and between grate item and grate plate framework, reduce the material leakage rate of bulk cargo, improve the residence time of thermal current, make material that can obtain more fully drying and preheating in grate, enhances the utilization rate of heat；Meanwhile the structure type is simple, production is simple, using reliable, solve the problems, such as to cause whole grate plate to be scrapped because individual grate items are broken, greatly improves the service life of grate-kiln grate plate；And the operating rate and product yield and quality that can effectively improve grate technique reduce the consumption of grate plate and production cost.
Description
Technical field
The invention belongs to grate component technology fields, and in particular to a kind of split type grate-kiln grate plate, connection structure and
Its manufacturing method.
Background technique
Grate plate used in existing grate rotary kiln technique is the whole grate plate of integral structure；The upper surface of grate plate
For circular shape, there is grate seam between two grate laths, in process of production due to expanding with heat and contract with cold, stress can not be eliminated, grate plate
The swell increment difference of frame and grate item causes individual grate items to have fracture, and causes scrapping for integral blocks grate plate, causes pole to production
Big loss, service life are no more than half a year.
Grate plate based on above-mentioned grate, there has been no relevant solutions；Therefore there is an urgent need to
Seek effective scheme to solve the above problems.
Summary of the invention
The purpose of the present invention is shortcoming present in view of the above technology, propose a kind of split type grate-kiln grate plate,
Connection structure and its manufacturing method, it is intended to solve the problems, such as that existing grate-kiln grate plate intensity is low, the service life is short.
The present invention provides a kind of split type grate-kiln grate plate, including connection wall and grate lath；Grate lath is respectively arranged at company
The both ends of wall are connect, to form linkage section and bond end；Grate lath intermediate symmetry is equipped with strip hole；Grate lath two sides are equipped with half bore
Structure.
Further, strip hole includes a plurality of；A plurality of strip hole is arranged side by side on connecting pin and bond end；And it connects
End and bond end bottom are equipped with reinforcing rib between neighboring strips hole.
Further, strip hole includes two；Two strip holes are arranged side by side on connecting pin and bond end, and and half bore
Structure is arranged side by side.
Further, connecting pin and bond end bottom, which are located between two strip holes, is equipped with reinforcing rib；Reinforcing rib is set to
Connecting pin and bond end bottom, and extend to connection wall.
Further, bond end and connecting pin are respectively arranged at two sides at the top of connection wall；The end of connecting pin is equipped with grate plate
Hook；Grate plate hook is arc-shaped hook.
Further, bond end and connecting pin are respectively arranged at two sides at the top of connection wall；Bond end and connecting pin two side ends
Protrusion is equipped with protrusion outside portion, to form half pore structure.
Further, the end of bond end two sides is equipped with protrusion；The half bore knot of bond end is formed between protrusion and connection wall
Structure.
Fixed pin holes are additionally provided on connection wall；Connection wall, connecting pin and bond end are integrally formed.
The upper surface of bond end is arcwall face；The lower end surface of bond end is plane；Between the section and horizontal plane of arcwall face
Angle be 28 ° to 32 °.
Correspondingly, the present invention also provides a kind of split type grate-kiln grate plate connection structures, include multiple grate plates；The grate
Plate is the upper split type grate-kiln grate plate；By half pore structure to form strip pore structure between two neighboring grate plate.
Using above technical scheme, effectively eliminate in whole grate-kiln grate plate between grate item and grate item and grate item with
Stress between grate plate framework reduces the material leakage rate of bulk cargo, improves the residence time of thermal current, makes material in grate
More fully drying and preheating can be obtained, the utilization rate of heat is enhanced；Meanwhile the structure type is simple, production is simple, using can
It leans on, solves the problems, such as to cause whole grate plate to be scrapped because individual grate items are broken, mention the service life of grate-kiln grate plate significantly
It is high；And the operating rate and product yield and quality that can effectively improve grate technique reduce the consumption of grate plate and production cost.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described：
Fig. 1 is a kind of split type grate-kiln grate plate structural schematic diagram of the present invention；
Fig. 2 is that the split type grate-kiln grate plate of the present invention arranges assembling schematic diagram.
In figure：1, connection wall；2, connecting pin；3, bond end；4, grate plate is linked up with；5, strip hole；6, half bore；7, reinforcing rib；
8, raised；9, fixed pin holes.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of split type grate-kiln grate plate, including connection wall 1 and grate lath；Grate lath
The both ends at 1 top of connection wall are respectively arranged at, to form linkage section 2 and bond end 3；Grate lath intermediate symmetry is equipped with strip hole 5；
And half pore structure is equipped in grate lath two sides；Specially bond end 3 and 2 two sides of connecting pin is equipped with half pore structure, half bore
Structure is the half bore 6 of indent；It is convenient for being mutually spliced to form strip hole with other grate-kiln grate plates in this way；Can have using the above scheme
Effect solves the problems, such as that grate lath is also easy to produce modification in grate plate, and that improves grate plate used in grate rotary kiln technique uses the longevity
Life guarantees that production is smooth and reduces cost.
Preferably, in conjunction with above scheme, as shown in Figure 1, strip hole 5 includes a plurality of in the present embodiment；A plurality of strip hole 5
It is arranged side by side on the connecting pin of grate lath 2 and bond end 3；And connecting pin 2 and 3 bottoms of bond end are located at adjacent two long
Reinforcing rib 7 is equipped between hole 5；Grate lath connecting pin and bond end bottom is arranged in reinforcing rib 7, and extends on connection wall 1, with
Reinforce the mechanical stability of the grate plate；Specifically, strip hole 5 includes two, and effect is to make thermal current real by strip grate hole
Now to the drying and preheating of green pellets, green pellet strength is improved, and the material leakage rate of green pellets bulk cargo can be reduced；Two strip holes 5 are simultaneously
Row is set on connecting pin 2 and bond end 3, and is arranged side by side with half pore structure；Further, reinforcing rib 7 and grate lath and
Connection wall is integrally formed.
Preferably, in conjunction with above scheme, as shown in Figure 1, bond end 3 and connecting pin 2 are respectively arranged in the present embodiment
1 top two sides of connection wall；The end of connecting pin 2 is equipped with grate plate hook 4；Grate plate hook 4 is arc-shaped hook, and effect is the company of extension
It is overlapped on grate bed track and blocks heat source and distribute outward.
Preferably, in conjunction with above scheme, as shown in Figure 1, bond end 3 and connecting pin 2 are respectively arranged in the present embodiment
1 top two sides of connection wall；It is protruded outside bond end 3 and 2 both side ends of connecting pin and is equipped with protrusion 8, to form half pore structure.
Preferably, in conjunction with above scheme, as shown in Figure 1, the end of 3 two sides of bond end is equipped with protrusion 8 in the present embodiment；
Half pore structure of bond end 3 is formed between protrusion 8 and connection wall 1；Half pore structure is the half bore 6 of indent.
Preferably, in conjunction with above scheme, as shown in Figure 1, fixed pin holes 9 are additionally provided on connection wall 1 in the present embodiment,
Effect is to penetrate bolt grate plate is fixed on grate grate bed, is not fallen off；Further, connection wall 1 and grate lath pass through 3D
Printing integrated molding；Specifically, each independent grate lath protects selective laser to melt 3D printing and increases material forming by argon gas；
Its specific Fabrication parameter is：Laser spot diameter is 0.02mm-0.07mm, laser power 0.06kw-0.4kw, laser scanning
Speed 1m/s-5m/s, laser lap rate are 30%-70%, and slicing layer is with a thickness of 0.02mm-0.10mm.
Preferably, in conjunction with above scheme, as shown in Figure 1, each independent grate lath upper surface is arc in the present embodiment
Face structure；Grate lath one end is connecting pin, and the other end is bond end；The bottom of connecting pin is hung in the grate lath of semicircular arc
Hook, two sides are with half bore shape protrusion；Specifically, the upper surface of bond end is arcwall face；The lower end surface of bond end 3 is plane；Arc
Angle between the section and horizontal plane in shape face is 28 ° to 32 °, generally 30 ° or 31 °, is conducive to the dispersion drying of green pellets,
Using the above scheme, the reliability of grate plate can be effectively improved.
Correspondingly, in conjunction with above scheme, the present invention also provides a kind of split type drying grate grate board fabrication methods, specific to manufacture
Technique includes the following steps：
S1：Firstly, design grate plate drawing；
S2：Then, it selects material and prepares powder；
S3：Then, 3D printing is melted in selective laser, net to shape；
S4：Finally, machining pin hole.
Preferably, in conjunction with above scheme, in this implementation, powder material described in step S2 is：It is high temperature resistant, anti-oxidant, resistance to
3Cr26Ni4,3Cr26Ni4RE, 3Cr26Ni15,3Cr26Ni15RE of corrosion are one such, and powder size is 15 μm ~ 63 μ
M, 45 ° of powder angle of repose <.
It preferably, further include following process in step S3 in this implementation in conjunction with above scheme：
S301：Grate plate threedimensional model is established using three-dimensional software；
S302：Grate Slab is formatted in three-dimensional software, generates stl file；
S303：Gallery model is created using Magic software, and imports grate Slab（Stl file）；
S304：Grate Slab orientation suitable position is placed in substrate model in Magic software to revise and repair；
S305：Slicing delamination operation is carried out to grate Slab, and exports SLI format synusia file；
S306：SLI format synusia file is imported into filling software；
S307：Planning laser beam scan path fills every layer of slicing layer in filling software, and exports the CLI lattice comprising filling information
Formula synusia file；
S308：CLI format synusia file comprising filling information is imported into 3D printing equipment, and carries out more than one piece array；
S309：The Fabrication parameter that setting 3D printing equipment uses, laser spot diameter 0.02mm-0.07mm, laser power 60w-
400kw, laser scanning speed 800mm/s-1200mm/s, laser lap rate 30%-70%, slicing layer thickness 0.02mm-0.10mm；
S310：Raw material powder is put into powder-storage bin；
S311：Grate plate is manufactured on substrate according to the 3D printing increasing material manufacturing parameter of formulation；
S312：Grate plate is cut from substrate to separation piece by piece.
Whole grate plate is averagely split as a plurality of split type grate lath, often by split type grate-kiln grate plate provided by the invention
A independent grate lath two sides have protrusion to form half bore, and a plurality of grate lath arrangement rear projection docks to form strip hole, and
Symmetrical diplopore is equipped among grate lath, intensity is improved by reinforcing rib in diplopore centre；It is cambered surface form above grate lath, one
End is connecting pin, and the other end is bond end；The bottom of connecting pin is linked up in the grate lath of semicircular arc, and two sides are with protrusion；
The upper surface of bond end is in being in concave surface below cambered surface, and two sides are with protrusion；Bottom setting between grate lath connecting pin and bond end
Cube connection wall with bolt hole.Invention effectively eliminates grate items in whole grate plate and grate item and grate item and grate sheet frame
Stress between frame solves the problems, such as to cause whole grate plate to be scrapped because individual grate items are broken, makes the use of grate-kiln grate plate
Service life greatly improves；The operating rate and product yield quality of grate technique can be improved simultaneously, and the consumption of grate plate is greatly lowered
And production cost.
Correspondingly, in conjunction with above scheme, as shown in Fig. 2, the present invention also provides a kind of split type grate-kiln grate plate connection knots
Structure includes multiple grate plates；The grate plate is the upper split type grate-kiln grate plate；Pass through half bore between two neighboring grate plate
To form strip pore structure, multiple grate plates are attempted by grate bed and together structure in a manner of platoon.
Using above technical scheme, effectively eliminate in whole grate-kiln grate plate between grate item and grate item and grate item with
Stress between grate plate framework reduces the material leakage rate of bulk cargo, improves the residence time of thermal current, makes material in grate
More fully drying and preheating can be obtained, the utilization rate of heat is enhanced；Meanwhile the structure type is simple, production is simple, using can
It leans on, solves the problems, such as to cause whole grate plate to be scrapped because individual grate items are broken, mention the service life of grate-kiln grate plate significantly
It is high；And the operating rate and product yield and quality that can effectively improve grate technique reduce the consumption of grate plate and production cost.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (10)
1. a kind of split type grate-kiln grate plate, which is characterized in that including connection wall and grate lath；The grate lath is respectively arranged at
The both ends of the connection wall, to form linkage section and bond end；The grate lath intermediate symmetry is equipped with strip hole；The grate lath
Two sides are equipped with half pore structure.
2. split type grate-kiln grate plate according to claim 1, which is characterized in that the strip hole includes a plurality of；It is a plurality of
The strip hole is arranged side by side on the connecting pin and the bond end；And the connecting pin and bond end bottom position
Reinforcing rib is equipped between the adjacent strip hole；The reinforcing rib is set to the connecting pin and the bond end bottom, and
Extend to the connection wall.
3. split type grate-kiln grate plate according to claim 1, which is characterized in that the strip hole includes two；Two
The strip hole is arranged side by side on the connecting pin and the bond end, and is arranged side by side with half pore structure.
4. split type grate-kiln grate plate according to claim 1, which is characterized in that the bond end and the connecting pin point
It is not set to two sides at the top of the connection wall；It is linked up with equipped with grate plate the end of the connecting pin；The grate plate hook is arc-shaped
Hook.
5. split type grate-kiln grate plate according to claim 1, which is characterized in that the bond end and the connecting pin point
It is not set to two sides at the top of the connection wall；It is protruded outside the bond end and the connecting pin both side ends and is equipped with protrusion, with shape
At half pore structure.
6. split type grate-kiln grate plate according to claim 4, which is characterized in that the end of the bond end two sides is equipped with
Protrusion；Half pore structure of the bond end is formed between the protrusion and the connection wall.
7. split type grate-kiln grate plate according to any one of claims 1 to 6, which is characterized in that on the connection wall also
Equipped with fixed pin holes；The connection wall, the connecting pin and the bond end are integrally formed.
8. split type grate-kiln grate plate according to any one of claims 1 to 7, which is characterized in that the bond end it is upper
End face is arcwall face；The lower end surface of the bond end is plane；Angle between the section and horizontal plane of the arcwall face is 28 °
To 32 °.
9. a kind of split type grate-kiln grate plate connection structure includes multiple grate plates；It is characterized in that, the grate plate is above-mentioned power
Benefit requires 1 to 8 described in any item split type grate-kiln grate plates；Between the two neighboring grate plate by half pore structure with
Form strip pore structure.
10. split type grate-kiln grate plate manufacturing method described in a kind of claim 1, which is characterized in that include the following steps：S1：
Firstly, design grate plate drawing；
S2：Then, it selects material and prepares powder；
S3：Then, 3D printing is melted in selective laser, net to shape；
S4：Finally, machining pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840321.0A CN108826963A (en) | 2018-07-27 | 2018-07-27 | A kind of split type grate-kiln grate plate, connection structure and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840321.0A CN108826963A (en) | 2018-07-27 | 2018-07-27 | A kind of split type grate-kiln grate plate, connection structure and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108826963A true CN108826963A (en) | 2018-11-16 |
Family
ID=64139764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810840321.0A Pending CN108826963A (en) | 2018-07-27 | 2018-07-27 | A kind of split type grate-kiln grate plate, connection structure and its manufacturing method |
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| CN (1) | CN108826963A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144072A (en) * | 1965-03-01 | 1969-03-05 | Apex Corp | Travelling grate |
| US6145451A (en) * | 1996-12-06 | 2000-11-14 | Zurl; Emil | Water-cooled firing grate |
| CN202973892U (en) * | 2012-11-08 | 2013-06-05 | 中信重工机械股份有限公司 | Grate plate of chain grate machine |
| CN209101784U (en) * | 2018-07-27 | 2019-07-12 | 沈阳精合数控科技开发有限公司 | A kind of split type grate-kiln grate plate and connection structure |
-
2018
- 2018-07-27 CN CN201810840321.0A patent/CN108826963A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144072A (en) * | 1965-03-01 | 1969-03-05 | Apex Corp | Travelling grate |
| US6145451A (en) * | 1996-12-06 | 2000-11-14 | Zurl; Emil | Water-cooled firing grate |
| CN202973892U (en) * | 2012-11-08 | 2013-06-05 | 中信重工机械股份有限公司 | Grate plate of chain grate machine |
| CN209101784U (en) * | 2018-07-27 | 2019-07-12 | 沈阳精合数控科技开发有限公司 | A kind of split type grate-kiln grate plate and connection structure |
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