CN203163498U - Three-segment sintering system of sintering machine - Google Patents
Three-segment sintering system of sintering machine Download PDFInfo
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- CN203163498U CN203163498U CN 201320057278 CN201320057278U CN203163498U CN 203163498 U CN203163498 U CN 203163498U CN 201320057278 CN201320057278 CN 201320057278 CN 201320057278 U CN201320057278 U CN 201320057278U CN 203163498 U CN203163498 U CN 203163498U
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- sintering
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- dividing plate
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Abstract
The utility model belongs to the field of sintering equipment in the metallurgical industry, and particularly relates to a three-segment sintering system of a sintering machine. The three-segment sintering system of the sintering machine comprises a trolley, an air suction device arranged on the lower portion of the trolley, and an igniting device arranged on the head portion of the sintering machine, wherein the air suction device comprises a set of air boxes arranged on the lower portion of the trolley, a head portion sealing device and a tail portion sealing device. The three-segment sintering system of the sintering machine is characterized in that an air box separating board sealing device I is arranged between the second air box and the third air box which are at rear of the head portion sealing device, and an air box separating board sealing device II is arranged between the last-but-one air box and the last-but-two air box which are in front of the tail portion sealing device. The three-segment sintering system of the sintering machine has the advantages that the whole air suction device is divided into an igniting segment, a sintering segment and a sintering ending segment, the separating board sealing devices are only arranged among the three segments and at the connecting position of the tail portion sintering ending segment and the air boxes, and therefore the three-segment sintering system of the sintering machine effectively guarantees that combusting speed of the material layer combustion zone of the sintering segment is uniform, and the sintering effect is good.
Description
Technical field
The utility model belongs to metallurgy industry agglomerating plant field, especially relates generally to a kind of sintering machine air draught area more efficient use that makes, and keeps the sintering machine three-stage sintering system of combustion zone speed uniformity.
Technical background
Continuous pallettype sintering machine and stepping sintering machine adopt down-draft sintering, existing sintering machine mainly is made up of pallet 3, air intake device, head seal device 2, tail seal device 6 and igniter 4 of being arranged on the sintering machine head etc., its air intake device comprises one group of air-suction trunk 7, bow seal device 2 and the tail seal device 6 that is arranged on the chassis bottom, each bellows 7 is provided with bellows turnover panel 8, be used for opening and regulating suction air volume, establish bellows dividing plate 5 between each bellows, the top and gap chassis bottom surface of dividing plate 5 is no more than 30mm.Production operation when stone is produced first is, earlier all bellows turnover panels are closed, avoid not being taped against a large amount of wind in material place and enter bellows by chassis, behind the stem bellows under the operation of the bed of material on the chassis covering igniter, stem bellows turnover panel under the preceding igniter is opened, the stem bellows begin exhausting, the compound laminar surface is lighted in the high temperature fire combustion of igniter ejection, after chassis continues operation, the bed of material is moved the turnover panel of the bellows that cover and open successively, the mixing bed of material is kept continued burning downwards, after the bed of material runs to afterbody, whole bed of material all burnt, as shown in Figure 1,1 is the bed of material among the figure.
Owing to use this method of operating, must be provided with the bellows dividing plate between each bellows, the width of dividing plate is about 400mm is wide, and less clearance is left in the top and chassis bottom surface of dividing plate, scarcely surpasses 30mm.Can reduce a large amount of wind like this and enter the bellows of stone by the chassis that is not taped against material, the air quantity that the bed of material is passed through is less, and this is the reason that prior art must be provided with the bellows dividing plate.As shown in Figure 1.The sintering machine of said structure is inhaled device and is had following shortcoming:
1) because dividing plate and the chassis bottom surface on air-suction trunk top is very near, when ordinary production, the very near bellows dividing plate in the wide destage again of 400mm car bottom surface, the air quantity that the serious obstruction chassis bed of material passes through, the domestic big long 4000mm of sintering machine wind box, medium and small sintering machine wind box length is 3000mm, and the bellows dividing plate makes effective air draught area of sintering machine reduce 10-13%, and effective sintering area of sintering machine is reduced significantly.Because the bellows dividing plate hinders the air quantity that the chassis bed of material passes through, and also makes the wind band small particles material and washes away dividing plate, the repair and maintenance amount is increased, consume certain manpower and materials;
2) in addition because sintering machine stem and afterbody require negative pressure lower, draft is crossed senior general and is caused the burning of the bed of material surface during igniting, bed of material surface crust occurring descends the gas permeability of the whole bed of material, the negative pressure of afterbody bellows also can be lower, therefore need suitably close stem bellows turnover panel descends the bellows negative pressure of igniting section, this moment is higher with the adjacent bellows negative pressure of section bellows of lighting a fire, will occur scurrying the wind phenomenon than the air-suction trunk of lower negative pressure to the air-suction trunk of high negative, bellows negative pressure near the igniting section is a greater impact, directly influences sinter bed speed and airflow direction.
Summary of the invention
The purpose of this utility model provides and a kind ofly can make sintering machine air draught area more efficient use, keeps the sintering machine three-stage sintering system of sintering stage bed of material combustion zone burning velocity uniformity.
The purpose of this utility model is achieved through the following technical solutions.
Sintering machine three-stage sintering of the present utility model system, comprise chassis, be arranged on the air intake device of chassis bottom and be arranged on the igniter of sintering machine head, described air intake device comprises the one group of bellows that is arranged on the chassis bottom, bow seal device and tail seal device, it is characterized in that being provided with bellows dividing plate sealing device I between second bellows behind the bow seal device and the 3rd bellows, between described bow seal device and the bellows dividing plate sealing device I first and second two bellows form igniting section A, and be interconnected between first and second two bellows, before the tail seal device fall second bellows and fall the 3rd bellows between be provided with bellows dividing plate sealing device II, two bellows between described tail seal device and the bellows dividing plate sealing device II have formed afterbody sintering end point section C, and afterbody sintering end point section C fall first with also be provided with bellows dividing plate sealing device III between second two bellows, each bellows at all the other middle parts are middle part sintering stage B, and are interconnected between each bellows of middle part sintering stage.
The last plane and the distance at the bottom of the chassis that are interconnected between described two bellows are 250-300mm.
The utility model has the advantages that: owing to adopted said structure, the air draught area of whole air intake device is divided into igniting section, sintering stage and sintering end point section, establish the dividing plate sealing device between three sections, cancelled the dividing plate between former igniting section and each bellows of sintering stage, air quantity by the bed of material and wind speed have been stablized remain constant.In addition because the bellows dividing plate sealing device that the utility model only arranges between igniting section and sintering end point and sintering stage, make the negative pressure on the low side of igniting section and sintering end point section can not bring influence to the negative pressure of sintering stage, can make sintering machine air draught area more efficient use, keep sintering stage bed of material combustion zone burning velocity uniformity, improved sintering quality effectively.
Description of drawings
Fig. 1 is former sintering machine sintering system structural representation.
Fig. 2 is the utility model sintering machine three-stage sintering system architecture schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 2, sintering machine three-stage sintering of the present utility model system, comprise chassis 3, be arranged on the air intake device of chassis 3 bottoms and be arranged on the igniter 4 of sintering machine head, described air intake device comprises the one group of bellows that is arranged on chassis 3 bottoms, bow seal device 2 and tail seal device 8, it is characterized in that being provided with bellows dividing plate sealing device I 5 between second bellows 12 behind the bow seal device and the 3rd bellows 11, between described bow seal device 2 and the bellows dividing plate sealing device I 5 first and second two bellows form igniting section A, and be interconnected between first and second two bellows, before tail seal device 8 fall second bellows 9 and fall the 3rd 10 bellows between be provided with bellows dividing plate sealing device II 6, between described tail seal device 8 and the bellows dividing plate sealing device II 6 fall first with fall second two bellows and formed afterbody sintering end point section C, and afterbody sintering end point section C first and fall and also to be provided with bellows dividing plate sealing device III 7 between second two bellows, each bellows at all the other middle parts are middle part sintering stage B, and be interconnected between each bellows of middle part sintering stage B, 1 is the bed of material among the figure.
The last plane and the distance at the bottom of the chassis that are interconnected between the bellows among igniting section A described in the utility model and the sintering stage B are 250-300mm.
The utility model has been because after having cancelled the bellows dividing plate of installing between existing igniting section A and each bellows of sintering stage C, when chassis runs between the bellows, and the influence that air quantity and the wind speed by the bed of material is not subjected to dividing plate.It is constant that the exhausting amount of sintering stage is stablized, and the oxygen amount of enough feed layer combustion zone abundances is provided, and effective exhausting area of sintering stage improves more than 10%.The usage factor of sintering machine is further improved.Obtain the vertical sintering speed of uniformity.Improve output, cut down the consumption of energy.
Because the utility model has been cancelled the bellows dividing plate of installing between each bellows of sintering stage, do not need to control the suction draught of sintering stage, will make sintering stage make the exhausting amount of sintering stage stablize constant, therefore also cancelled the bellows turnover panel on each bellows of sintering stage, the bellows turnover panel 13 that arranges at the afterbody bellows of the bellows of stem igniting section and sintering end point section only, controlled the lower negative pressure of igniting section A and sintering end point section C effectively, realize the bed of material not burning of surface, igniting section A and the lower negative pressure of sintering end point section C bellows and the high negative pressure of sintering stage B bellows are independent of each other, and making is that sintering end point section place gas permeability improves.
Claims (2)
1. sintering machine three-stage sintering system, comprise chassis, be arranged on the air intake device of chassis bottom and be arranged on the igniter of sintering machine head, described air intake device comprises the one group of bellows that is arranged on the chassis bottom, bow seal device and tail seal device, it is characterized in that being provided with bellows dividing plate sealing device I between second bellows behind the bow seal device and the 3rd bellows, between described bow seal device and the bellows dividing plate sealing device I first and second two bellows form igniting section (A), and be interconnected between first and second two bellows, before the tail seal device fall second bellows and fall the 3rd bellows between be provided with bellows dividing plate sealing device II, between described tail seal device and the bellows dividing plate sealing device II fall first with fall second two bellows and formed afterbody sintering end point section (C), and afterbody sintering end point section (C) fall first with also be provided with bellows dividing plate sealing device III between second two bellows, each bellows at all the other middle parts are middle part sintering stage (B), and are interconnected between each bellows of middle part sintering stage.
2. sintering machine three-stage sintering according to claim 1 system is characterized in that the last plane and the distance at the bottom of the chassis that are interconnected between the bellows among described igniting section A and the sintering stage B are 250-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057278 CN203163498U (en) | 2013-02-01 | 2013-02-01 | Three-segment sintering system of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057278 CN203163498U (en) | 2013-02-01 | 2013-02-01 | Three-segment sintering system of sintering machine |
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| Publication Number | Publication Date |
|---|---|
| CN203163498U true CN203163498U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057278 Expired - Fee Related CN203163498U (en) | 2013-02-01 | 2013-02-01 | Three-segment sintering system of sintering machine |
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| CN (1) | CN203163498U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489271A (en) * | 2018-06-05 | 2018-09-04 | 任志国 | Negative pressure control apparatus in ignition of sintering process device lower bellows |
| CN109554538A (en) * | 2018-12-03 | 2019-04-02 | 武汉钢铁有限公司 | A kind of sintering method and device that can reduce solid fuel consumption amount and carbon emission |
| CN109764682A (en) * | 2018-12-20 | 2019-05-17 | 包头钢铁（集团）有限责任公司 | Sintering machine wind box seals baffle arrangement method and the sintering machine using this method |
| CN113532136A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
-
2013
- 2013-02-01 CN CN 201320057278 patent/CN203163498U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489271A (en) * | 2018-06-05 | 2018-09-04 | 任志国 | Negative pressure control apparatus in ignition of sintering process device lower bellows |
| CN108489271B (en) * | 2018-06-05 | 2024-03-22 | 任志国 | Negative pressure control device in lower bellows of igniter of sintering machine |
| CN109554538A (en) * | 2018-12-03 | 2019-04-02 | 武汉钢铁有限公司 | A kind of sintering method and device that can reduce solid fuel consumption amount and carbon emission |
| CN109764682A (en) * | 2018-12-20 | 2019-05-17 | 包头钢铁（集团）有限责任公司 | Sintering machine wind box seals baffle arrangement method and the sintering machine using this method |
| CN109764682B (en) * | 2018-12-20 | 2024-03-08 | 包头钢铁（集团）有限责任公司 | Arrangement method of sealing partition plate of bellows of sintering machine and sintering machine adopting same |
| CN113532136A (en) * | 2021-06-29 | 2021-10-22 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
| CN113532136B (en) * | 2021-06-29 | 2022-08-16 | 鞍钢股份有限公司 | Method for reasonably distributing air volume of sintering trolley air box |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20200201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |