CN103542724A - Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine - Google Patents
Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine Download PDFInfo
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- CN103542724A CN103542724A CN201310457916.5A CN201310457916A CN103542724A CN 103542724 A CN103542724 A CN 103542724A CN 201310457916 A CN201310457916 A CN 201310457916A CN 103542724 A CN103542724 A CN 103542724A
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Abstract
The invention provides a blasting belt-type sintering machine and a method, for producing sinter, of the blasting belt-type sintering machine. A material distribution mechanism I, an igniter, a material distribution mechanism II, an air draft and dust-removal flue and a discharging device are sequentially arranged on an upper-layer sintering cart way from a machine head to a machine tail, wherein the lower portion of the igniter is communicated with an air draft ignition pipeline through a wind box, the lower portion of the air draft and dust-removal flue is connected with a sealing cover, the sealing cover is arranged on the upper-layer sintering cart way, the sealing cover is communicated with a sintering blasting pipeline through the wind box at the lower portion of a cart, and a dust-falling pipe is arranged at the lower portion of the sintering blasting pipeline. According to the sintering machine, through two times of feeding, the thickness of a material layer can be improved to about 1-1.5m, fuel is combusted thoroughly through blasting sintering, the electricity-saving effect is obvious, and the electricity is saved by three fourths when air draft is changed into blasting. In the air draft process, the cart and grate bars make direct contact with sintering high-temperature smoke, the temperature is high, and the cart and the grate bars are deformed and damaged easily. After air draft is changed into blasting, the cart and the grate bars make contact with room-temperature blasting air, the temperature is low, and therefore the cart and the grate bars are not damaged easily.
Description
Technical field
The invention belongs to metallurgy industry belt sintering equipment and technology, a kind of method that is specifically related to air blast continuous pallettype sintering machine and produces sintering deposit.
Technical background
One of main material of blast-furnace iron-making method is ore agglomerates--sintering deposit, sintering machine be the raw material preparatory stage in iron-smelting process early stage by the special equipment of the artificial agglomeration of Iron Ore Powder, sintering machine adopts down draft sintering at present, mechanical draft sintering processing, is generally all comprised of distribution device, igniter, main frame and wind power system etc., and output is invested many less, take electricity, heat energy recycle rate is low, and the many efficiencies of workman that need are low, and equipment and spare part consumption is large.Updraught sintering is mainly not adopt sintering machine a kind of " local method sintering " mode before, and sintering is reinforced, finished product discharging is all manual type, and the bed of material is thick, and labor strength is large, and sintering deposit product quality is low.
Thickness (highly) theory that the filling of mechanical draft sintering mixes the bed of material is 400～800mm left and right, but on general industry, the thickness of the filling mixing bed of material is 600mm; During down draft sintering, the castor bar of sintering pallet is for a long time in the condition of high temperature, and sintering high temperature flue gas contacts with castor bar, and temperature is high, yielding damage.
Summary of the invention
For problems such as in prior art, the continuous pallettype sintering machine mixing bed of material is low, output is few, efficiency is low, pallet rapid wears, the invention provides a kind of air blast continuous pallettype sintering machine and sintering deposit sintering process, this sintering machine output is high, and production efficiency significantly improves, and equipment part consumption reduces.
Object of the present invention is achieved through the following technical solutions: a kind of air blast continuous pallettype sintering machine, sintering track, upper strata and the lower floor's track for empty tubs that is positioned at its underpart are set in the frame of sintering machine, sintering track, upper strata and lower floor's track for empty tubs pass through head star wheel, tail star gear is in transmission connection, on sintering track, upper strata, from head to tail, set gradually material-feeding mechanism I, igniter, material-feeding mechanism II, ventilation and dust removal flue and device for discharging, described igniter bottom is by bellows and exhausting igniting pipeline communication, the bottom of ventilation and dust removal flue is connected with seal closure, seal closure is arranged on sintering track, upper strata, seal closure is communicated with by bellows and the sintering blowing line of chassis bottom, the bottom of sintering blowing line arranges ash tube.
Described material-feeding mechanism I is comprised of the blending bunker of compound belt I and its underpart, and material-feeding mechanism II is comprised of the blending bunker of compound belt II and its underpart.
The stripper of described device for discharging is arranged in the frame of sintering machine afterbody, the top of stripper is covered with single roller seal closure, the bottom of stripper is provided with single roll crusher, and the bottom of single roll crusher is connected with thermal mineral vibrating screen by chute, and thermal mineral vibrating screen bottom is provided with ingredients belt.
Described ash tube bottom arranges Water-seal zipper conveyor.
Described air blast continuous pallettype sintering machine and the method for producing sintering deposit thereof, concrete steps have:
A, stone for the first time: pallet from the head star-wheel enters behind sintering track, upper strata, and in material-feeding mechanism I, place carries out stone for the first time;
B, exhausting igniting: pallet sails into after ignition zone, open the exhausting igniting pipeline of igniter and its underpart sinter mixture lighted a fire;
C, stone for the second time: pallet rolls away from after ignition zone, and material-feeding mechanism II is carried out stone for the second time to pallet;
D, updraught sintering: complete the pallet of stone for the second time and carry out updraught sintering after entering seal closure;
After e, discharging, circulate: the sintering deposit that sinter mixture sintering completes carries out discharging, fragmentation and transportation by device for discharging, and the pallet after discharging enters lower floor's track for empty tubs and circulates.
Described updraught sintering is to carry out air blast by sintering blowing line, and air blast enters bellows, enters sinter mixture carry out sintering from pallet bottom.
Beneficial effect:
1) this sintering machine is compared with traditional sintering machine, in equal sintering area, invests relatively less, and single machine yield is high.Be mainly because updraught sintering can improve thickness of feed layer to 1m～1.5m left and right, and down draft sintering is general maximum in 0.6m left and right now, sintering thickness increases twice left and right.
2) reduce fuel ratio, electricity saving and energy saving effect is remarkable.Because air blast can improve blast pressure, and suction pressure is subject to certain limitation, maximum is an atmospheric pressure namely, and this sintering machine is mainly to adopt air blast to carry out sintering just not have the problem of suction pressure restriction.
3) improve heat energy recycle rate, fume afterheat can reach effective utilization.Because thickness of feed layer has increased, produced simultaneously heat increases, and then can reach efficient utilization by flue gas waste heat recovery system.
4) bogie grates consumption reduces.Because grid section is in the bottom of chassis body, for carrying sinter mixture, during exhausting, sintering high temperature flue gas is in contact with it, and temperature is high, yielding damage.Change into after air blast, it contacts with normal temperature air blast, and temperature is low, therefore, general also not fragile.
5) this sintering method is by twice feed, and air blast can make mineral aggregate fully burn, and power savings is remarkable, is mainly the economize on electricity 3/4 that exhausting changes air blast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, a kind of air blast continuous pallettype sintering machine, sintering track, upper strata 13 and the lower floor's track for empty tubs 16 that is positioned at its underpart are set in the frame 1 of sintering machine, sintering track, upper strata 13He lower floor track for empty tubs 16 is by head star wheel 2, tail star gear 15 is in transmission connection, on sintering track, upper strata 13, from head to tail, set gradually material-feeding mechanism I 3, igniter 6, material-feeding mechanism II 7, ventilation and dust removal flue 10 and device for discharging, described igniter 6 bottoms are communicated with by bellows 20 and exhausting igniting pipeline 17, the bottom of ventilation and dust removal flue 10 is connected with seal closure 11, seal closure 11 is arranged on sintering track, upper strata 13, seal closure 11 is communicated with by bellows 20 and the sintering blowing line 18 of chassis bottom, the bottom of sintering blowing line 18 arranges ash tube 19.
Material-feeding mechanism I 3 is comprised of the blending bunker 4 of compound belt I 5 and its underpart, and material-feeding mechanism II 7 is comprised of the blending bunker 4 of compound belt II 8 and its underpart.The stripper 23 of device for discharging is arranged in the frame 1 of sintering machine afterbody, the top of stripper 23 is covered with single roller seal closure 22, the bottom of stripper 23 is provided with single roll crusher 24, the bottom of single roll crusher 24 is connected with thermal mineral vibrating screen 25 by chute, and thermal mineral vibrating screen 25 bottoms are provided with ingredients belt 26.Ash tube 19 bottoms arrange Water-seal zipper conveyor 27, and the dust falling from ash tube 19 is transported to ingredients belt 26 by Water-seal zipper conveyor 27.
Air blast continuous pallettype sintering machine and the method for producing sintering deposit thereof, concrete steps have:
A, stone for the first time: pallet 12 from the head star-wheel 2 enters behind sintering track, upper strata 13, and in material-feeding mechanism I, 3 places carry out stone for the first time;
B, exhausting igniting: pallet 12 sails into after ignition zone, open 17 pairs of sinter mixtures of exhausting igniting pipeline of igniter 6 and its underpart and light a fire;
C, stone for the second time: pallet 12 rolls away from after ignition zone, and 7 pairs of pallets of material-feeding mechanism II 12 carry out stone for the second time;
D, updraught sintering: complete the pallet 12 of stone for the second time and carry out updraught sintering after entering seal closure 11;
After e, discharging, circulate: the sintering deposit that sinter mixture sintering completes carries out discharging, fragmentation and transportation by device for discharging, and the pallet 12 after discharging enters lower floor's track for empty tubs 16 and circulates.
Updraught sintering is to carry out air blast by sintering blowing line 18, and air blast enters bellows 20, enters sinter mixture and carries out sintering, the trend of air in the time of also can finding out updraught sintering from Fig. 1 from pallet 12 bottoms.
Powder under thermal mineral vibrating screen 25 sieves of sintering machine afterbody is fallen on ingredients belt 26, and oversize is under finished product sintering deposit ，Cong Re tail end clan, enters hot ore deposit conveying device.
Claims (6)
1. an air blast continuous pallettype sintering machine, sintering track, upper strata (13) is set in the frame (1) of sintering machine and is positioned at lower floor's track for empty tubs (16) of its underpart, sintering track, upper strata (13) and lower floor's track for empty tubs (16) are by head star wheel (2), tail star gear (15) is in transmission connection, it is characterized in that: in sintering track, upper strata (13), above from head to tail, set gradually material-feeding mechanism I (3), igniter (6), material-feeding mechanism II (7), ventilation and dust removal flue (10) and device for discharging, described igniter (6) bottom is communicated with by bellows (20) and exhausting igniting pipeline (17), the bottom of ventilation and dust removal flue (10) is connected with seal closure (11), seal closure (11) is arranged on sintering track, upper strata (13), seal closure (11) is communicated with by bellows (20) and the sintering blowing line (18) of chassis bottom, the bottom of sintering blowing line (18) arranges ash tube (19).
2. air blast continuous pallettype sintering machine according to claim 1, it is characterized in that: described material-feeding mechanism I (3) is comprised of the blending bunker (4) of compound belt I (5) and its underpart, material-feeding mechanism II (7) is comprised of the blending bunker (4) of compound belt II (8) and its underpart.
3. air blast continuous pallettype sintering machine according to claim 1, it is characterized in that: the stripper of described device for discharging (23) is arranged in the frame (1) of sintering machine afterbody, the top of stripper (23) is covered with single roller seal closure (22), the bottom of stripper (23) is provided with single roll crusher (24), the bottom of single roll crusher (24) is connected with thermal mineral vibrating screen (25) by chute, and thermal mineral vibrating screen (25) bottom is provided with ingredients belt (26).
4. air blast continuous pallettype sintering machine according to claim 1, is characterized in that: described ash tube (19) bottom arranges Water-seal zipper conveyor (27).
5. air blast continuous pallettype sintering machine according to claim 1 and the method for producing sintering deposit thereof, is characterized in that: concrete steps have:
Stone for the first time: pallet (12) from the head star-wheel (2) enters behind sintering track, upper strata (13), locates to carry out stone for the first time in material-feeding mechanism I (3);
Exhausting igniting: pallet (12) sails into after ignition zone, opens the exhausting igniting pipeline (17) of igniter (6) and its underpart sinter mixture is lighted a fire;
Stone for the second time: pallet (12) rolls away from after ignition zone, and material-feeding mechanism II (7) is carried out stone for the second time to pallet (12);
Updraught sintering: complete the pallet of stone (12) for the second time and carry out updraught sintering after entering seal closure (11);
After discharging, circulate: the sintering deposit that sinter mixture sintering completes carries out discharging, fragmentation and transportation by device for discharging, and the pallet after discharging (12) enters lower floor's track for empty tubs (16) and circulates.
6. air blast continuous pallettype sintering machine according to claim 5 and the method for producing sintering deposit thereof, it is characterized in that: described updraught sintering is to carry out air blast by sintering blowing line (18), air blast enters bellows (20), enters sinter mixture carry out sintering from pallet (12) bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310457916.5A CN103542724A (en) | 2013-09-30 | 2013-09-30 | Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine |
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| CN201310457916.5A CN103542724A (en) | 2013-09-30 | 2013-09-30 | Blasting belt-type sintering machine and method, for producing sinter, of blasting belt-type sintering machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350665A (en) * | 2016-09-12 | 2017-01-25 | 鞍钢股份有限公司 | Ultra-thick bed sintering method for reducing sinter return ratio and employing presintering |
| CN106931463A (en) * | 2017-03-10 | 2017-07-07 | 白银有色集团股份有限公司 | A kind of continuous pallettype sintering machine SOS and method for high altitude localities |
| CN107976068A (en) * | 2017-11-21 | 2018-05-01 | 中国冶集团有限公司 | A kind of sintering machine grate-layer material feeding-distribution device |
| CN108195199A (en) * | 2018-03-02 | 2018-06-22 | 唐山国丰钢铁有限公司 | It is sintered flue material treatment process and sealing device special |
| CN112961977A (en) * | 2021-02-01 | 2021-06-15 | 攀钢集团攀枝花钢钒有限公司 | Pressurizing sintering method |
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| CN2175910Y (en) * | 1993-12-08 | 1994-08-31 | 重庆钢铁(集团)公司 | Positive and negative pressure sintering apparatus |
| CN2509538Y (en) * | 2001-11-20 | 2002-09-04 | 焦作市晨光矿山机械厂 | Air-blast sintering machine |
| KR20050010264A (en) * | 2003-07-18 | 2005-01-27 | 주식회사 포스코 | Method for manufacturing sintered ore using the baking tempature on the wind box |
| CN202393218U (en) * | 2011-12-31 | 2012-08-22 | 陕西鼎力冶金机械传动有限公司 | Environment-friendly, efficient and energy-saving type sintering and cooling integrated annular sintering machine |
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2013
- 2013-09-30 CN CN201310457916.5A patent/CN103542724A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175910Y (en) * | 1993-12-08 | 1994-08-31 | 重庆钢铁(集团)公司 | Positive and negative pressure sintering apparatus |
| CN2509538Y (en) * | 2001-11-20 | 2002-09-04 | 焦作市晨光矿山机械厂 | Air-blast sintering machine |
| KR20050010264A (en) * | 2003-07-18 | 2005-01-27 | 주식회사 포스코 | Method for manufacturing sintered ore using the baking tempature on the wind box |
| CN202393218U (en) * | 2011-12-31 | 2012-08-22 | 陕西鼎力冶金机械传动有限公司 | Environment-friendly, efficient and energy-saving type sintering and cooling integrated annular sintering machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350665A (en) * | 2016-09-12 | 2017-01-25 | 鞍钢股份有限公司 | Ultra-thick bed sintering method for reducing sinter return ratio and employing presintering |
| CN106350665B (en) * | 2016-09-12 | 2018-12-04 | 鞍钢股份有限公司 | A kind of super thick bed of material sintering method using pre-sintering reducing sinter return fine rate |
| CN106931463A (en) * | 2017-03-10 | 2017-07-07 | 白银有色集团股份有限公司 | A kind of continuous pallettype sintering machine SOS and method for high altitude localities |
| CN107976068A (en) * | 2017-11-21 | 2018-05-01 | 中国冶集团有限公司 | A kind of sintering machine grate-layer material feeding-distribution device |
| CN108195199A (en) * | 2018-03-02 | 2018-06-22 | 唐山国丰钢铁有限公司 | It is sintered flue material treatment process and sealing device special |
| CN112961977A (en) * | 2021-02-01 | 2021-06-15 | 攀钢集团攀枝花钢钒有限公司 | Pressurizing sintering method |
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Application publication date: 20140129 |
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