CN103791730A - Arrangement structure of dust fall pipes of sintering machine - Google Patents
Arrangement structure of dust fall pipes of sintering machine Download PDFInfo
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- CN103791730A CN103791730A CN201410073066.3A CN201410073066A CN103791730A CN 103791730 A CN103791730 A CN 103791730A CN 201410073066 A CN201410073066 A CN 201410073066A CN 103791730 A CN103791730 A CN 103791730A
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- sintering machine
- depositing dust
- dust pipe
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Abstract
The invention relates to an arrangement structure of dust fall pipes of a sintering machine. According to the arrangement structure, the dust fall pipes are moved upwards to two sides of a machine frame basis platform of the sintering machine from the position below the sintering machine, the scale height of the machine frame basis platform is reduced at the same time, elbows of fume guide pipelines and pipelines on lower portions of the elbows are omitted, and fume enters the dust fall pipes through the shortest route. The central scale height of each dust fall pipe is relatively increased, the length of a pipeline between an outlet of each dust fall pipe and an inlet of a handpiece electric precipitator is reduced, and the turning radius of each pipeline is increased. The arrangement structure has the advantages that resistance between an air bellow and the dust fall pipes and resistance between the outlets of the dust fall pipes and the inlet of the handpiece electric precipitator are effectively reduced, the scale height of a sintering main workshop, the scale height of a mixture vestibule, the scale height of a grate-layer material vestibule and the scale height of a related forwarding station are reduced, the length of the mixture vestibule and the length of the grate-layer material vestibule are reduced, and the maintaining working amount of the fume guide pipelines is reduced, and equipment repairing and maintaining work of the sintering main workshop and the elated forwarding station is facilitated.
Description
Technical field
The present invention relates to metallurgical technology field, relate in particular to a kind of sintering machine depositing dust pipe arrangement.
Background technology
Sintering machine is the most important equipment that iron and steel metallurgy enterprise is produced sintering deposit.The factory building at sintering machine place is called main sintering building under normal circumstances, main sintering building disposes blending bunker and shop fixtures feed bin above sintering device handpiece, and blending bunker, shop fixtures feed bin top are provided with the transhipment sealing-tape machine from compound conveyor gallery and grate-layer material conveyor gallery.Depositing dust pipe is arranged in sintering machine below, the sinter fume of the pallet bed of material enters depositing dust pipe through bellows, wireway under suction function, Double-deck cinder discharge valve is installed in depositing dust pipe ash bucket bottom, and dust is unloaded to bulk material belt machine and transported by Double-deck cinder discharge valve, as shown in Figure 1.
Sintering machine frame basic platform is positioned at main sintering building and sees fiery platform below, the anchor bolt of sintering machine frame and embedded part are just on this layer of platform, and as shown in Figure 2, both sides, sintering machine frame basis are preformed holes of two air exhaust box wireways, in addition, platform both sides do not have miscellaneous equipment substantially.This layer of platform wireway One's name is legion, each bellows both sides are arranged symmetrically with a pair of wireway, and as shown in Figure 3, because dust content in flue gas is high, granularity of dust is large, makes wireway pipe bent position serious wear, needs regular mending-leakage.In actual production; sintering machine startup-shutdown and fluctuation all can cause wireway bearing temperature to change the thermal stress of bringing; particularly wireway pipe bent position is except bearing longitudinal flexible stress; also there is thrust or the pulling force of horizontal direction; easily make weld seam and flange connections distortion, cracking; cause and leak out, and maintenance work difficulty.
In addition along with metallurgical equipment the Enlargement Tendency, the production capacity of sintering machine is increasing, and the diameter of depositing dust pipe is also increasing. and sintering machine place main sintering building is also built higher and higher. cause like this problem of two aspects:
On the one hand along with emission request is more and more higher, the volume of head electric cleaner is increasing, head electric cleaner height and length are all increasing, the depositing dust pipe that is arranged on sintering machine below need to go out after main sintering building significantly to climb and could dock with the import of head electric cleaner, because large-type sinterer depositing dust pipe is generally all more than 4 meters, the turning of depositing dust pipe, climbing has increased the resistance of ducting and making, mounting cost.
On the other hand, at present a lot of large-type sinterer main building head sections are highly all more than 40 meters. and some even reaches 50 meters, significantly increase height and the length of transporting the vestibule of compound and transporting the vestibule of grate-layer material, increase construction cost, be unfavorable for that the equipment in these regions is installed and safeguards; Main sintering building height is high, is also unfavorable for lifting and equipment repair and maintenance in main building.
Summary of the invention
The present invention is directed to existing sintering machine depositing dust pipe and arrange the problem existing, a kind of new sintering machine depositing dust pipe arrangement is provided, object is to reduce flue gas resistance, and minimizing is leaked out, and reduces main sintering building height, optimizes main sintering building arrangement.
The present invention includes: depositing dust pipe is moved to sintering machine frame basic platform both sides from sintering machine below, cancel wireway bend pipe and bend pipe lower pipeline, flue gas enters depositing dust pipe with the shortest path, only retain the top straight section part of wireway, significantly reduced making, the installation of wireway, the workload of maintenance.Owing to having cancelled wireway bent tube section, flue gas directly enters depositing dust pipe from bellows through bellows tube connectors (or butterfly valve), expansion joint, wireway (straight tube), wireway length greatly reduces, effectively reduce the resistance of ducting of bellows to depositing dust pipe, cancel wireway elbow simultaneously, that the stress that wireway flange, weld seam bear becomes is relatively simple, has reduced the probability of distortion, cracking.
On depositing dust pipe, move to sintering machine frame basic platform two rear flank, depositing dust tube hub absolute altitude improves relatively, elevation difference between depositing dust pipe export center and head electric cleaner import center reduces, it is large that centre-to-centre spacing between two depositing dust pipes becomes, between depositing dust tube hub and head electric cleaner import center, distance reduces, can reduce depositing dust pipe and be exported to the duct length between the import of head electric cleaner, increase the radius of turn of pipeline, effectively reduce the resistance of this part pipeline.
Depositing dust pipe is arranged in sintering machine frame basic platform two rear flank, and the absolute altitude of this platform can significantly reduce, and the height of whole like this main sintering building is all reduced.The height that is connected to compound vestibule, grate-layer material vestibule and the relevant transfer station of main building head is also reduced.
Traditional sintering machine main factory building is in economic consideration, and platform one hem width in sintering machine center line both sides is narrow on one side, and the present invention need take the circumstances into consideration a narrow side platform to external expansion according to depositing dust pipe width.
Because sintering machine frame basic platform has respectively flexible gearing and inspection platform in sintering device handpiece both sides, depositing dust pipe moves outside Ying Xiang both sides, sintering device handpiece position, avoid these devices, the main building both sides of former sintering device handpiece part all need suitably to widen, and main sintering building sees that fiery platform should arrange the ladder of walking towards flexible gearing.
Depositing dust pipe is arranged in sintering machine frame basic platform two rear flank, takies the position at the original sintering machine dry oil lubrication of this platform station, sees fiery platform so this dry oil lubrication station is configured in to sintering machine when actual design, and projected position and original position are basic identical.
Depositing dust pipe is arranged in sintering machine frame basic platform two rear flank, take the segment space of the hole for hoist at this platform sintering machine main factory building middle part, when actual design, cancel this place's hole for hoist, transform former tail hole for hoist, daily lifting operation mainly completes at tail hole for hoist.In addition, the hole for hoist of main building head need be considered the lifting of flexible transmission device of sintering machine parts.
Depositing dust pipe is arranged in sintering machine frame basic platform two rear flank, and sintering machine frame basic platform absolute altitude reduces, and should shorten central cooler feed chute length, can also transform if necessary single-tooth roller discharging chute or central cooler frame.
Owing to adopting technique scheme, the present invention cancels wireway bend pipe and bend pipe lower pipeline, reduce wireway length, reduce the length that depositing dust pipe is exported to pipeline between the import of head electric cleaner, increase this place's pipeline turning radius, effectively reduce bellows to depositing dust pipe, depositing dust pipe is exported to the resistance of ducting between the import of head electric cleaner, reduce main sintering building, compound vestibule, grate-layer material vestibule, the absolute altitude of relevant transfer station, reduce compound vestibule, the length of grate-layer material vestibule, reduce the maintenance workload of wireway, be conducive to main sintering building, the equipment repair and maintenance work of relevant transfer station.
Accompanying drawing explanation:
Fig. 1 is conventional sintering main building elevation
Fig. 2 is the traditional form main sintering building sintering machine framework platform floor plan of corresponding diagram 1;
Fig. 3 is the depositing dust pipe D-D section layout drawing of corresponding diagram 2;
Fig. 4 main sintering building elevation of the present invention;
Fig. 5 is main sintering building sintering machine framework platform floor plan of the present invention;
Fig. 6 is the depositing dust pipe D-D section layout drawing of corresponding diagram 5; (embodiment 1);
Fig. 7 is depositing dust pipe section layout drawing of the present invention (embodiment 2);
Fig. 8 is depositing dust pipe section layout drawing of the present invention (embodiment 3);
Fig. 9 is main sintering building elevation of the present invention (embodiment 4);
Wherein 1-sintering pallet; 2-sintering machine frame; 3-sintering machine wind box; 4-bellows tube connector (or butterfly valve); 5-expansion joint; 6-wireway; 7-sintering machine depositing dust pipe; 8-depositing dust pipe steel base; 9-depositing dust pipe ash bucket; 10-Double-deck cinder discharge valve; 11-bulk material belt machine; 12-depositing dust pipe is to the communicating pipe of head electric cleaner import; The import of 13-head electric cleaner; 14-head electric cleaner; 15-flexible gearing, 16-ignition furnace, 17-tail hole for hoist; 18-single roll crusher; 19-single-tooth roller discharging chute; 20-central cooler feed chute; 21-circular cooler trolley; 22-central cooler frame; 23-grate-layer material feed bin; 24-compound feed bin; 25-is from grate-layer material conveyor gallery; 26-is from compound conveyor gallery; 27-dry oil lubrication station; 201-sintering machine frame basic platform; 202-sintering machine is seen fiery platform; 203-depositing dust pipe basic platform;
A-A represents sintering machine longitudinal centre line; B-B represents head pulley of sintering machine center line; C-C represents sintering machine tail wheel center line;
The specific embodiment.
Embodiment 1 is as shown in Fig. 4, Fig. 5, Fig. 6.
Depositing dust pipe 7 is arranged in sintering machine frame basic platform 201 sintering machine frame 2 both sides by the present embodiment, the residing concrete platform 203 of depositing dust pipe steel base 8 is identical with the absolute altitude of sintering machine framework platform 201, cancel bend pipe and the bend pipe lower pipeline of wireway 6, flue gas enters depositing dust pipe 7 with the shortest path, only retains the straight section of bellows tube connector (or butterfly valve) 4, expansion joint 5, wireway 6.
On depositing dust pipe 7, move to 201 liang of rear flank of sintering machine frame basic platform, depositing dust pipe 7 center absolute altitudes improve relatively, elevation difference between depositing dust pipe 7 export center and head electric cleaner import 13 centers reduces, and outwards move when moving on depositing dust pipe 7, centre-to-centre spacing between two depositing dust pipes 7 is obviously greater than the centre-to-centre spacing before moving, between depositing dust pipe 7 export center and head electric cleaner import 13 centers, horizontal range diminishes, so the distance of depositing dust pipe 7 export center and head electric cleaner import 13 center vertical directions and horizontal direction all reduces, thereby can reduce depositing dust pipe 7 and be exported to the length of the communicating pipe 12 of head electric cleaner import 13, increase the radius of turn of pipeline, effectively reduce the resistance of this part pipeline.
On depositing dust pipe 7, move to 201 liang of rear flank of sintering machine frame basic platform, the absolute altitude of this platform can significantly reduce, the height of whole like this main sintering building is all reduced, in this example, the reduction of main sintering building absolute altitude reaches more than 6 meters, and the height that is connected to compound vestibule, grate-layer material vestibule and the relevant transfer station of main building head is also synchronously reduced.
In the present embodiment, depositing dust pipe 7 is arranged in 201 liang of rear flank of sintering machine frame basic platform, should determine that with seeing the headroom between fiery platform 202 whether depositing dust pipe steel base 8 depositing dust pipe basic platform of living in 203 absolute altitudes are identical with sintering machine frame basic platform 201 absolute altitudes according to depositing dust pipe 7 diameters and sintering machine frame basic platform 201, if clear space is limited, can be take sintering machine frame basic platform 201 as benchmark, suitably reduce depositing dust pipe basic platform 203 absolute altitudes, this implementing platform 203 absolute altitudes reduce approximately 1 meter than platform 201 absolute altitudes, and all the other are with implementing 1.
Embodiment 3, as shown in Figure 8.
The present embodiment is to make full use of sintering machine frame basic platform 201 and sintering machine is seen the headroom between fiery platform 202, is convenient to make, installation and maintenance, and the crosssection shape design of depositing dust pipe 7 is rectangle, and all the other are with embodiment 1.
Embodiment 4, as shown in Figure 9.
The present embodiment is take embodiment 2 as basis, adjust sintering machine head end electric cleaner 14 absolute altitudes, or adjust depositing dust pipe 7 center absolute altitudes and sintering machine head end electric cleaner 14 height simultaneously, depositing dust pipe 7 center absolute altitudes and head electric cleaner import 13 center absolute altitudes are approached, reduce depositing dust pipe 7 to the duct length between sintering machine head end electric cleaner import 13, reduce elbow quantity or cancel elbow, effectively reducing the resistance of this part pipeline.As shown in Figure 9.
In depositing dust pipe 7 absolute altitude adjustment processes, depositing dust pipe 7 remains unchanged with the relative position of the interior related platform of main sintering building.
The foregoing is only preferred embodiments of the present invention, not in order to limit the present invention, all any modification, replacement and improvement etc. of making within the spirit and principles in the present invention, all should be included in protection scope of the present invention it, in.
Claims (6)
1. a sintering machine depositing dust pipe arrangement, it is characterized in that depositing dust pipe (7) to move to sintering machine frame basic platform (201) both sides from sintering machine below, cancel wireway (6) bend pipe and bend pipe lower pipeline, flue gas enters depositing dust pipe (7) with the shortest path from bellows (3), only retains bellows tube connector (or butterfly valve) (4), expansion joint (5) and wireway (6) the top straight section of bellows (3) outlet.
2. a kind of sintering machine depositing dust pipe arrangement according to claim 1, it is characterized in that moving on depositing dust pipe (7) sintering machine frame basic platform (201) two rear flank, depositing dust pipe (7) center absolute altitude improves relatively, between depositing dust pipe (7) export center and head electric cleaner import (13) center, centre-to-centre spacing reduces, can reduce communicating pipe (12) length of depositing dust pipe (7) to head electric cleaner import (13), increase the radius of turn of this place's pipeline.
3. a kind of sintering machine depositing dust pipe arrangement according to claim 1, it is characterized in that moving on depositing dust pipe (7) sintering machine frame basic platform (201) two rear flank, the absolute altitude of this platform can significantly reduce, and the height of whole like this main sintering building is all reduced.The height that is connected to compound vestibule, grate-layer material vestibule and the relevant transfer station of main building head is also reduced.
4. a kind of sintering machine depositing dust pipe arrangement according to claim 1, it is characterized in that depositing dust pipe (above moves to sintering machine frame basic platform (201) two rear flank, reduce sintering machine frame basic platform (201) absolute altitude, central cooler feed chute (20) length should be shortened, single-tooth roller discharging chute (19) or central cooler frame (22) can be also transformed if necessary.
5. a kind of sintering machine depositing dust pipe arrangement according to claim 1, it is characterized in that moving on depositing dust pipe (7) sintering machine frame basic platform (201) two rear flank, should see that the headroom between fiery platform (202) determines that whether depositing dust pipe basic platform (203) absolute altitude is identical with sintering machine frame basic platform absolute altitude (201) according to depositing dust pipe (7) diameter and sintering machine frame basic platform (201) and sintering machine, if clear space is limited, can be take sintering machine frame basic platform (201) as benchmark, suitably reduce depositing dust pipe basic platform (203) absolute altitude.
6. a kind of sintering machine depositing dust pipe arrangement according to claim 1, is characterized in that depositing dust pipe (7) crosssection shape design is circle or rectangle.
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CN201410073066.3A CN103791730B (en) | 2014-03-03 | 2014-03-03 | A kind of sintering machine dust-fall pipe arrangement |
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CN201410073066.3A CN103791730B (en) | 2014-03-03 | 2014-03-03 | A kind of sintering machine dust-fall pipe arrangement |
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CN103791730B CN103791730B (en) | 2015-10-21 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53119269A (en) * | 1977-03-29 | 1978-10-18 | Nippon Kokan Kk <Nkk> | Treating equipment for exhaust gas of sintering |
JPS5696033A (en) * | 1979-12-29 | 1981-08-03 | Nippon Steel Corp | Waste heat recovering method and apparatus in sintering machine |
CN2173929Y (en) * | 1993-09-26 | 1994-08-10 | 冶金工业部秦皇岛黑色冶金矿山设计研究院 | Steel strip sintering machine |
KR20060119417A (en) * | 2005-05-20 | 2006-11-24 | 주식회사 포스코 | A method of removing a sox in an exhausted gas |
CN102494536A (en) * | 2011-12-05 | 2012-06-13 | 中冶天工集团有限公司 | Construction method for dust-fall pipe of sintering chamber |
-
2014
- 2014-03-03 CN CN201410073066.3A patent/CN103791730B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53119269A (en) * | 1977-03-29 | 1978-10-18 | Nippon Kokan Kk <Nkk> | Treating equipment for exhaust gas of sintering |
JPS5696033A (en) * | 1979-12-29 | 1981-08-03 | Nippon Steel Corp | Waste heat recovering method and apparatus in sintering machine |
CN2173929Y (en) * | 1993-09-26 | 1994-08-10 | 冶金工业部秦皇岛黑色冶金矿山设计研究院 | Steel strip sintering machine |
KR20060119417A (en) * | 2005-05-20 | 2006-11-24 | 주식회사 포스코 | A method of removing a sox in an exhausted gas |
CN102494536A (en) * | 2011-12-05 | 2012-06-13 | 中冶天工集团有限公司 | Construction method for dust-fall pipe of sintering chamber |
Non-Patent Citations (1)
Title |
---|
常作夫: "大型烧结机降尘管设计特点评述", 《烧结球团》 * |
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Granted publication date: 20151021 Termination date: 20160303 |