CN202973890U - Negative micro-pressure ignition device for wind box of sintering machine - Google Patents
Negative micro-pressure ignition device for wind box of sintering machine Download PDFInfo
- Publication number
- CN202973890U CN202973890U CN 201220321763 CN201220321763U CN202973890U CN 202973890 U CN202973890 U CN 202973890U CN 201220321763 CN201220321763 CN 201220321763 CN 201220321763 U CN201220321763 U CN 201220321763U CN 202973890 U CN202973890 U CN 202973890U
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- bellows
- wind box
- pipe
- graphite packing
- sintering
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Abstract
The utility model discloses a negative micro-pressure ignition device for a wind box of a sintering machine; a trolley is positioned at the upper end of the wind box; igniters are arranged at the top end of the trolley at intervals; the upper part of the wind box faces to the lower end of the trolley through a pipeline; the lower part of the wind box is connected with the upper part of a wind box pipe through a first graphite packing; a vibration motor is mounted on a side wall of the wind box pipe; an observation hole provided with an observation hole cover is formed at the middle position of the wind box pipe; the upper end of a double-layer cinder valve is connected with the lower end of the wind box pipe through a second graphite packing; the lower end of the double-layer cinder valve is connected with a discharging pipe through a third graphite packing; a wind box abrasion resistance connecting pipe mounted on the another side wall of the wind box pipe is communicated with the inner chamber of the wind box pipe and is connected with one end of an abrasion resisting elbow through a connecting plate; the other end of the abrasion resisting elbow is connected with the upper end of a vertical connecting pipe through a balance valve; and the lower end of the vertical connecting pipe is connected with a shaft duct and a large flue through a blank cap. The negative micro-pressure ignition device can realize gas-solid separation, effectively controls the sintering thickness of sintering material, improves the grade of sintering ore, reduces energy consumption and lowers the production cost.
Description
Technical field
The utility model relates to a kind of igniter, and relating in particular to a kind ofly provides the sintering machine wind box that uses in the sintering process of High-quality Sinters little negative pressure ignition device for blast furnace.
Background technology
As everyone knows, containing fine iron ore can not smelt iron directly into metallurgy high furnace, must will contain fine iron ore through sintering circuit and become sintering deposit and just can enter metallurgy high furnace.In containing the sintering process of fine iron ore, normally sintering feed is put in chassis, be certain intervals settlement firearm above chassis, and two symmetrical bellows each other are installed below chassis, the lower end of bellows connects double-deck valve, and two double-deck valves of bellows lower end installation are controlled its operation by electronic tie rod, and there is following shortcoming in the igniter of this electronic tie rod formula structure:
1. the valve that adopts is double-deck valve, and lower floor can close when opening the upper strata of valve, otherwise the upper strata can be closed when opening lower floor, and when on sintering pallet, blanking was more, this double-deck valve can be stuck, and causes sintering process unstable.
2. the igniter of this kind drawbar structure can not (or not having) be carried out gas, thing separation, because the exhausting of the blanking on sintering pallet and large flue is same pipeline, cause double-deck valve wearing and tearing comparatively serious, service life is short, maintenance (protecting) cost is high, directly affects production process.
Summary of the invention
The purpose of this utility model be to provide a kind of can effectively carry out gas and material separate, effectively control sintering feed in sintering process compactness and improve the quality of products or intensity, reduce production costs, the little negative pressure ignition device of sintering machine wind box of energy efficient.
for achieving the above object, the technical solution adopted in the utility model is: the little negative pressure ignition device involving vibrations of described a kind of sintering machine wind box motor, the bellows pipe, the first graphite packing and the second graphite packing and the 3rd graphite packing, the wear-resisting adapter of bellows, abrasion-proof bent tube, the resistance balance valve, the vertical joint pipe, stifle, exhaust column, handhole cover, Double-deck cinder discharge valve, discharge duct, bellows, chassis and igniter, chassis is positioned at the upper end of bellows, igniter is set in distance on the top of chassis, bellows top is through the lower end of pipeline facing to chassis, the lower end of vertical joint pipe connects exhaust column through stifle, exhaust column is communicated with large flue.The bottom first graphite packing of bellows is connected with the top of bellows pipe, at a sidewall of bellows pipe, vibrating motor is installed, and is opened on the bellows pipe with the peep hole of handhole cover.The upper end second graphite packing of Double-deck cinder discharge valve is connected with the lower end of bellows pipe, and lower end the 3rd graphite packing of Double-deck cinder discharge valve connects with discharge duct.Be communicated with the inner chamber of bellows pipe in the wear-resisting adapter of bellows of another sidewall installation of bellows pipe, a 's wear-resisting adapter of bellows with abrasion-proof bent tube is connected through terminal pad, and the other end of abrasion-proof bent tube connects the vertical joint pipe through the resistance balance valve.
Adopt the little negative pressure ignition device of a kind of sintering machine wind box that as above technical scheme provides compared with prior art, technique effect is:
1. guarantee the stable of sintering machine work, can effectively carry out gas, thing separation, reduced valve spare part and maintenance cost.
2. by regulating the gas flow of resistance balance valve, effectively control the negative pressure of air-flow, can effectively control combustion gas to the sintering thickness of sintering feed, thereby can reach the minimizing gas consumption, reduced energy consumption and production cost.
3. by controlling negative pressure, can effectively control the density of sintering feed in sintering process, improve product quality and the intensity of sintering deposit, improve sintering finished rate.
Description of drawings
Fig. 1 is the forward structure schematic diagram of the little negative pressure ignition device of a kind of sintering machine wind box described in the utility model, is also Figure of abstract of the present utility model.
Fig. 2 is the outside schematic diagram of the left-hand of Fig. 1.
Fig. 3 is the scheme of installation of sintering feed little negative pressure ignition device of sintering machine wind box in the sintering process process.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
(as shown in drawings) the little negative pressure ignition device involving vibrations of a kind of sintering machine wind box described in the utility model motor 1, bellows pipe 2, the first graphite packing 3 and the second graphite packing 3a and the 3rd graphite packing 3b, the wear-resisting adapter 4 of bellows, abrasion-proof bent tube 5, resistance balance valve 6, vertical joint pipe 7, stifle 7a, exhaust column 7b, handhole cover 8, Double-deck cinder discharge valve 9, discharge duct 10, bellows 11, chassis 12 and igniter 13, the first graphite plate 3 wherein, the second graphite packing 3a and the 3rd graphite packing 3b are resistant to elevated temperatures seal, product can be bought in market, and the profile of bellows pipe 2 to be two cross dimensions equate unequal drum-shaped or the side barrel-shaped, bellows 11, chassis 12 and igniter 13 are also prior art, the chassis 12 that is placed with sintering feed is positioned at the upper end of bellows 11, igniter 13 is the top that certain intervals is arranged on chassis 12.Sintering feed described herein is to contain the mixture that fine iron ore, coke blacking and agstone or dolomite dust etc. mix in mass ratio, prepares according to composition.The top of bellows 11 is through the lower end of pipeline facing to chassis 12, the bottom first graphite packing 3 of bellows 11 is connected with the top of bellows pipe 2, a sidewall at bellows pipe 2 is equipped with vibrating motor 1 (vibrating motor can be selected the VB1584 type), peep hole with handhole cover 8 is opened in (best is medium position) on bellows pipe 2, the upper end second graphite packing 3a of Double-deck cinder discharge valve 9 is connected with the lower end of bellows pipe 2, lower end the 3rd graphite packing 3b of Double-deck cinder discharge valve 9 is connected with discharge duct 10, and the feed opening of discharge duct 10 is facing to belt conveyer.
Symmetrical with vibrating motor 1, the inner chamber that is communicated with bellows pipes 2 in the wear-resisting adapter 4 of bellows of bellows pipe 2 another sidewalls installations, with wear-resisting curved 5 one 's wear-resisting adapter 4 of bellows is connected through terminal pad, the other end of abrasion-proof bent tube 5 connects vertical joint pipe 7 through resistance balance valve 6, the lower end of vertical joint pipe 7 connects exhaust column 7b through stifle 7a, and exhaust column 7b is communicated with large flue 14.Wherein stifle 7a, exhaust column 7b and large flue 14 are prior art, and as can be known, the exhausting of large flue 14 is that the suction opeing of leaving from bellows pipe 2 is separately realized.
during enforcement, (as shown in Figure 3) the little negative pressure ignition device of described sintering machine wind box is the lower end that symmetric form is arranged on chassis 12, in the time need to carrying out sintering to the sintering feed in chassis 12, igniter 3 igniting (igniter 13 combustion gas used can be selected mixed gas or the extraneous natural gas of supplying with of smelter inside), Vibration on Start-up motor 1, open Double-deck cinder discharge valve 9, the air exhauster that is connected with exhaust column 7b and large flue 14 is simultaneously also worked, the blanking of sintering feed on sintering pallet 12 in sintering process can be directly through bellows pipe 2, Double-deck cinder discharge valve 9 and discharge duct 10 transport through the below belt conveyor and focus on.Regulate the aperture of resistance balance valve 6, also for regulating the gas flow of the flow through wear-resisting adapter 4 of bellows, abrasion-proof bent tube 5 and vertical joint pipe 7, namely effectively controlled the negative pressure of system, make the combustion gas by igniter 13 ejections can effectively penetrate sinter bed in chassis 12, sinter bed is carried out effective sintering, thereby improve grade and the density of sintering feed, energy efficient, reduce production costs, the service life of prolongation parts.
After one period service time, can close vibrating motor 1, open the handhole cover 8 on peep hole, by manually or otherwise the inside of bellows pipe 2 being cleaned.
Claims (2)
1. little negative pressure ignition device of sintering machine wind box, involving vibrations motor (1), bellows pipe (2), the first graphite packing (3) and the second graphite packing (3a) and the 3rd graphite packing (3b), the wear-resisting adapter of bellows (4), abrasion-proof bent tube (5), resistance balance valve (6), vertical joint pipe (7), stifle (7a), exhaust column (7b), handhole cover (8), Double-deck cinder discharge valve (9), discharge duct (10), bellows (11), chassis (12) and igniter (13), chassis (12) is positioned at the upper end of bellows (11), igniter (13) is set in distance on the top of chassis (12), bellows (11) top is through the lower end of pipeline facing to chassis (12), the lower end of vertical joint pipe (7) connects exhaust column (7b) through stifle (7a), exhaust column (7b) is communicated with large flue (14), it is characterized in that: the bottom first graphite packing (3) of bellows (11) is connected with the top of bellows pipe (2), a sidewall at bellows pipe (2) is equipped with vibrating motor (1), and the peep hole of band handhole cover (8) is opened on bellows pipe (2), the upper end second graphite packing (3a) of Double-deck cinder discharge valve (9) is connected with the lower end of bellows pipe (2), and lower end the 3rd same discharge duct of graphite packing (3b) (10) of Double-deck cinder discharge valve (9) connects, be communicated with the inner chamber of bellows pipes (2) in the wear-resisting adapter of bellows (4) of another sidewall installation of bellows pipe (2), the wear-resisting adapter of bellows (4) is through terminal pad and abrasion-proof bent tube
(5) one is connected, and the other end of abrasion-proof bent tube (5) connects vertical joint pipe (7) through resistance balance valve (6).
2. the little negative pressure ignition device of a kind of sintering machine wind box according to claim 1 is characterized in that: the profile of bellows pipe (2) be two cross dimensions equate unequal drum-shaped or the side barrel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321763 CN202973890U (en) | 2012-06-30 | 2012-06-30 | Negative micro-pressure ignition device for wind box of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321763 CN202973890U (en) | 2012-06-30 | 2012-06-30 | Negative micro-pressure ignition device for wind box of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973890U true CN202973890U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321763 Expired - Fee Related CN202973890U (en) | 2012-06-30 | 2012-06-30 | Negative micro-pressure ignition device for wind box of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202973890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721280A (en) * | 2012-06-30 | 2012-10-10 | 娄底市凌一机电设备有限公司 | Negative micropressure ignition system for sintering machine bellows |
-
2012
- 2012-06-30 CN CN 201220321763 patent/CN202973890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721280A (en) * | 2012-06-30 | 2012-10-10 | 娄底市凌一机电设备有限公司 | Negative micropressure ignition system for sintering machine bellows |
| CN102721280B (en) * | 2012-06-30 | 2014-08-06 | 娄底市凌一机电设备有限公司 | Negative micropressure ignition system for sintering machine bellows |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130605 Termination date: 20140630 |
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| EXPY | Termination of patent right or utility model |