CN210001905U - Flat sintering machine structure capable of improving air permeability of sintering material - Google Patents
Flat sintering machine structure capable of improving air permeability of sintering material Download PDFInfo
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- CN210001905U CN210001905U CN201920703722.1U CN201920703722U CN210001905U CN 210001905 U CN210001905 U CN 210001905U CN 201920703722 U CN201920703722 U CN 201920703722U CN 210001905 U CN210001905 U CN 210001905U
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Abstract
The utility model relates to a flat burning sintering machine structure that can improve sintering material gas permeability, connect into the platform truck of the body including a plurality of platforms, the platform truck both sides have the breast board, be equipped with the castor bean strip of interval arrangement between the breast board bottom, the platform truck intermediate position casting along platform truck length direction has the trapezoidal plate with length such as breast board, the sintering material is stacked in the space that the breast board of trapezoidal plate and both sides encloses, trapezoidal plate height is 30% ~ 60% of breast board height the utility model discloses a after being equipped with trapezoidal plate at the platform truck intermediate position to can improve the gas permeability of sintering material bed in the sintering process, help improving sintering material bed of material thickness and improve sintering mineral products quality, ensure flat burning sintering machine long-term steady operation.
Description
Technical Field
The utility model relates to an flat burning sintering machine structures that can improve sintering material gas permeability.
Background
The iron ore powder sintering is the most main process for improving excellent agglomeration for a blast furnace, the production quality of the sintered ore has important significance for the technical index of the blast furnace, the thick material layer sintering is technology which is continuously improved for decades, the material thickness is improved, the sintering heat storage is enhanced, the addition of sintering fuel is reduced, and the sintered mineral quality is improved, a series of practices are carried out by a plurality of factories and mines around the thickness of the material layer, the basic material thickness is more than 700mm, and the material thickness of 1000mm can be realized at most, however, when the material thickness of part of factories and mines is continuously improved to fixed degree, not only the sintering yield is reduced, but also the effects of the step reduction of fuel consumption and the continuous improvement of quality are not reflected on the production index, the reason is analyzed, part of the large is that the resistance is too large and the air permeability is obviously reduced after the material thickness is improved to fixed degree, the defects cover the advantages of the material layer, and if the air permeability of the thick material layer during the sintering is improved, the advantages of the thick material layer can be continuously improved.
In addition , in the traditional belt type roasting machine, the mode of installing the supporting plate has been adopted in China to carry out industrial tests, but the equipment problems are not solved properly, for example, the supporting plate is difficult to fix, the single-roller guide chute, the bottom paving bin and the like are influenced, and the normal industrial application is finally caused, for the stepping type flat-burning sintering machine still existing in large quantity in China, new supporting modes are possibly adopted, the air permeability of the sintering material layer is improved, the material layer thickness is improved, the long-term industrial application is realized, and the material layer thickness and the sintering machine yield are simultaneously improved.
Disclosure of Invention
The utility model aims to solve the technical problem that in order to overcome the defects in the prior art, the utility model provides flat-burning sintering machine structures capable of improving the air permeability of sintering materials, which improve the material bed air permeability and simultaneously realize the improvement of the material bed thickness and the sintering machine output.
flat burning sintering machine structure that can improve sintering material gas permeability, including a plurality of platform trucks that connect into the body, platform truck both sides breast board has, be equipped with the castor bean strip of interval arrangement between the breast board bottom, the platform truck intermediate position along platform truck length direction casts trapezoidal plate with length such as breast board, the sintering material is stacked in the space that trapezoidal plate and the breast board of both sides enclose, trapezoidal plate height is 30% ~ 60% of breast board height.
Preferably, the trapezoidal plate is made of pearlite-ferrite, the thickness of the bottom of the trapezoidal plate is 50-100 mm, and the thickness of the top of the trapezoidal plate is 20-50 mm.
The utility model has the advantages that: the utility model discloses a be equipped with behind the trapezoidal plate at the platform truck intermediate position to can improve the gas permeability on the sintering material bed in sintering process, help improving sintering material bed thickness and improve sintering mineral product quality, ensure flat-fire sintering machine long-term steady operation.
Drawings
The present invention will be further described in with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the trolley according to the present invention.
In the figure: 1. trolley, 2, breast boards, 3, grate bars, 4 trapezoidal boards, 5, sintering materials, 6 ore tanks and 7, bottom paving storage bin
Detailed Description
The invention will now be described in greater detail with reference to the accompanying drawings, which are simplified schematic drawings that illustrate, by way of illustration only, the basic structure of the invention and, therefore, only show the elements that are relevant to the invention.
Embodiment 1:
referring to fig. 1 and 2, flat burning sintering machine structures capable of improving the air permeability of sintering materials comprise a plurality of trolleys 1 which are connected into bodies to form the sintering machine, ore chutes 6 for adding the sintering materials 5 into the trolleys 1 and bottom paving bins 7 for paving the bottoms in the trolleys 1 are arranged above the ends of bodies of the sintering machine, two sides of each trolley 1 are provided with baffle plates 2, grate bars 3 which are arranged at intervals are arranged between the bottoms of the baffle plates 2, trapezoidal plates 4 are fixedly welded at the middle positions of the trolleys 1 along the length direction of the trolleys 1, and the sintering materials 5 are stacked in a space defined by the trapezoidal plates 4 and the baffle plates 2 at the two sides.
The area of the flat-firing sintering machine is 144m2The length of each trolley 1 is 1m, the width is 3m, the length of a sintering section of the sintering machine is 48m, the length of a cooling section is 48m, and the total length is 96 m; the thickness of the sintered material 5 is 1000 mm.
The trapezoidal plate 4 is made of pearlite-ferrite and cast in the middle of the trolley 1, the length of the trapezoidal plate 4 is the same as that of the railing plate 2, the height of the trapezoidal plate 4 is 600mm, the thickness of the bottom of the trapezoidal plate 4 is 80mm, and the thickness of the top of the trapezoidal plate 4 is 40 mm; the grates 3 are loaded from both sides of the breast board 2. The bottoming silo 7 is in a form that the cast trapezoidal plate 4 can pass through. In the later stage of sintering, as the sintering materials 5 on the upper part of the trolley 1 are gradually sintered into ores, the trapezoidal plate 4 supports the weight of the sintering ores on the upper part, so that the air permeability of the sintering materials 5 on the lower part is ensured, and the defects of low sintering air permeability and low yield of an ultra-thick material layer are avoided. After cooling, the sinter on the pallet car 1 is dumped. So as to reciprocate.
Embodiment 2:
referring to fig. 1 and 2, flat burning sintering machine structures capable of improving the air permeability of sintering materials comprise a plurality of trolleys 1 which are connected into bodies to form the sintering machine, ore chutes 6 for adding the sintering materials 5 into the trolleys 1 and bottom paving bins 7 for paving the bottoms in the trolleys 1 are arranged above the ends of bodies of the sintering machine, two sides of each trolley 1 are provided with baffle plates 2, grate bars 3 which are arranged at intervals are arranged between the bottoms of the baffle plates 2, trapezoidal plates 4 are fixedly welded at the middle positions of the trolleys 1 along the length direction of the trolleys 1, and the sintering materials 5 are stacked in a space defined by the trapezoidal plates 4 and the baffle plates 2 at the two sides.
The size of the flat-fire sintering machine is 245m2Each trolley 1 is 1.5m in length and 3.5m in width, the length of a sintering section of the sintering machine is 70m, the length of a cooling section is 70m, and the total length is 140 m; the thickness of the sintered material 5 layer is 1200 mm.
The trapezoidal plate 4 is made of pearlite-ferrite and cast in the middle of the trolley 1, the length of the trapezoidal plate 4 is the same as that of the railing plate 2, the height of the trapezoidal plate 4 is 700mm, the thickness of the bottom of the trapezoidal plate 4 is 90mm, and the thickness of the top of the trapezoidal plate 4 is 45 mm; the grates 3 are loaded from both sides of the breast board 2. The bottoming silo 7 is in a form that the cast trapezoidal plate 4 can pass through. In the later stage of sintering, as the sintering materials 5 on the upper part of the trolley 1 are gradually sintered into ores, the trapezoidal plate 4 supports the weight of the sintering ores on the upper part, so that the air permeability of the sintering materials 5 on the lower part is ensured, and the defects of low sintering air permeability and low yield of an ultra-thick material layer are avoided. After cooling, the sinter on the pallet car 1 is dumped. So as to reciprocate.
The material thickness of the sintered material 5 can be higher than that of the breast board 2.
The hearth layer is firstly arranged on the trolley 1 from a hearth layer bin 7, and the grate 3 at the bottom is protected from being burnt out in the sintering process; the sinter material 5 is then arranged from the bunker 6 onto the trolley 1, i.e. the upper part of the bed material. In the conventional process, the sinter 5 on the pallet 1 is gradually sintered, forming sinter from the upper part to the lower part in turn, and the upper sinter presses the lower sinter 5, so that the bed is contracted.
According to the invention, after the trapezoidal plate 4 is welded in the middle of the trolley 1, the trapezoidal plate 4 supports the sintering material 5 on the upper part of the trolley 1 in the sintering process, so that the sintering of the material on the trolley 1 under good air permeability is ensured. Therefore, the trapezoidal plate 4 is firmly welded and cannot be randomly clamped on the gap of the grate 3, so that the trapezoidal plate 4 is prevented from sliding left and right (for example, the trapezoidal plate 4 is easy to move left and right after the grate 3 falls off); in addition, the bottom paving storage bin 7 is low, so that the trapezoidal plate 4 is easily blocked when passing through the bottom paving storage bin 7, and therefore the trapezoidal plate 4 can smoothly pass through the bottom paving storage bin 7.
The utility model discloses a be equipped with trapezoidal plate 4 at 1 intermediate position of platform truck to can improve the gas permeability on the 5 beds of material of sintering material in sintering process, help improving 5 beds of material thickness of sintering material and improve sintering mineral product quality.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
- The flat burning sintering machine structure capable of improving the air permeability of the sintering materials comprises a plurality of trolleys (1) connected into a body, two sides of each trolley (1) are provided with baffle plates (2), and grate bars (3) arranged at intervals are arranged between the bottoms of the baffle plates (2), and the flat burning sintering machine structure is characterized in that trapezoidal plates (4) with the same length as the baffle plates (2) are cast in the middle of each trolley (1) along the length direction of the trolley (1), the sintering materials (5) are stacked in a space defined by the trapezoidal plates (4) and the baffle plates (2) on the two sides, and the height of each trapezoidal plate (4) is 30% -60% of the height of each baffle plate (2).
- 2. The structure of a flat-fire sintering machine capable of improving the permeability of a sintered material according to claim 1, wherein: the trapezoidal plate (4) is made of pearlite-ferrite, the thickness of the bottom of the trapezoidal plate (4) is 50-100 mm, and the thickness of the top of the trapezoidal plate (4) is 20-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703722.1U CN210001905U (en) | 2019-05-15 | 2019-05-15 | Flat sintering machine structure capable of improving air permeability of sintering material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703722.1U CN210001905U (en) | 2019-05-15 | 2019-05-15 | Flat sintering machine structure capable of improving air permeability of sintering material |
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| CN210001905U true CN210001905U (en) | 2020-01-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928645A (en) * | 2020-08-04 | 2020-11-13 | 西安建筑科技大学 | Sintering machine and method for improving air permeability of sintering material layer |
| CN112050642A (en) * | 2020-09-14 | 2020-12-08 | 东北大学 | Ridge type sintering trolley and material distribution method thereof |
-
2019
- 2019-05-15 CN CN201920703722.1U patent/CN210001905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928645A (en) * | 2020-08-04 | 2020-11-13 | 西安建筑科技大学 | Sintering machine and method for improving air permeability of sintering material layer |
| CN112050642A (en) * | 2020-09-14 | 2020-12-08 | 东北大学 | Ridge type sintering trolley and material distribution method thereof |
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