CN202509101U - Water seal tank sludge discharge device of rotary hearth furnace - Google Patents
Water seal tank sludge discharge device of rotary hearth furnace Download PDFInfo
- Publication number
- CN202509101U CN202509101U CN2012200853443U CN201220085344U CN202509101U CN 202509101 U CN202509101 U CN 202509101U CN 2012200853443 U CN2012200853443 U CN 2012200853443U CN 201220085344 U CN201220085344 U CN 201220085344U CN 202509101 U CN202509101 U CN 202509101U
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- hearth furnace
- rotary hearth
- horizontal section
- slag
- sealed tank
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Abstract
The utility model discloses a water seal tank sludge discharge device of a rotary hearth furnace. The water seal tank sludge discharge device of the rotary hearth furnace comprises a closed material guide chute, a discharge chute, a sludge removing chain, and a drive device for driving the sludge removing chain to rotate in circulation, wherein a closed box body is arranged from the material guide chute to the discharge chute; the sludge removing chain and the drive device are arranged inside the box body; the box body comprises a horizontal section and an inclined section; the horizontal section transversely passes through inner and outer rings of the rotary hearth furnace; the horizontal section is communicated with water seal tanks of the inner and outer rings of the rotary hearth furnace through the sealed material guide chute; a cut-off gate valve is arranged between the material guide chute and the horizontal section; a draining slope is arranged on the inclined section; the sludge removing chain rotating in circulation continuously drags the received slag charge to the draining slope, and the fully drained slag charge is discharged to a return conveyer via the discharge chute to finish circulating utilization of scrap. The device is high in discharge efficiency, good in continuity, good in sealing property, long in service life, and especially suitable for discharging the slag charge of the water seal tank of a coal-based direct-reduction rotary hearth furnace, and is one of indispensable auxiliary devices for ensuring that the coal-based direct-reduction rotary hearth furnace continues to normally run.
Description
Technical field
The utility model relates to a kind of rotary hearth furnace water sealed tank slag discharging device, relates in particular to a kind of coal-based direct reduction ironmaking rotary hearth furnace water sealed tank slag discharging device.
Background technology
At present, different rotary hearth furnace equipment is all arranged, and its continuity, metering property, high thermal resistance, stopping property are all had strict requirement in fields such as metallurgy, chemical industry.
In the prior art, coal-based direct reduction ironmaking rotary hearth furnace water sealed tank often has slag charge.This present situation causes often occurring following defective: if the slag charge in the rotary hearth furnace water sealed tank is not in time discharged, with effective control of burner hearth reducing atmosphere that directly influences rotary hearth furnace and furnace pressure, cause rotary hearth furnace effectively to move.
So, need provide a kind of can discharge in time and the high slag discharging device of discharge efficient.
Summary of the invention
Goal of the invention: in order to overcome the deficiency that exists in the prior art, the utility model provides that a kind of discharge efficient is high, continuity is good, the rotary hearth furnace water sealed tank slag discharging device of good seal performance, long service life.
Technical scheme: for realizing above-mentioned purpose; A kind of rotary hearth furnace water sealed tank slag discharging device of the utility model; Comprising and closedly draw material chute, discharge chute, drag for the slag chain and the drive unit of slag chain cycle is dragged in driving, is a closed box from drawing the material chute to the discharge chute, saidly drags for the slag chain and drive unit is arranged in the casing; Said casing comprises horizontal section and tilting section; Horizontal section crosses the inner and outer ring of rotary hearth furnace, and horizontal section draws the material chute with in slag charge drainage to the horizontal section casing in the water sealed tank through closed inner and outer ring water sealed tank UNICOM of drawing material chute and rotary hearth furnace; Draw between material chute and the horizontal section and be provided with the cut-out gate valve, cut off gate valve and can when fault, cut off connecting of water sealed tank and horizontal section; Said tilting section is provided with the Li Shui slope; The discharge chute is positioned at below, Li Shui slope; Cycle drag for the slag chain with Li Shui slope on the successive floor mop of the slag charge of receiving, drain into the return conveyer of rotary hearth furnace through the slag charge behind the abundant Li Shui via the discharge chute, accomplish the recycle of waste material.
Wherein, circulation is dragged for the slag chain and need not tensioning, and can make things convenient for intercepting; Drag for the slag chain and be provided with dreg scraper; The bottom of said dreg scraper is provided with guide angle; Make this dreg scraper possess the function of bottom half slag mud being carried out layered cutting, can adapt to the thicker operating mode of slag mud, reduce dreg scraper greatly and sink in the slag mud and cause the situation that drives overload; 2～3 mooching knifes are set on the dreg scraper, and this mooching knife can be ploughed conduction to the slag mud of bottom half and become flexible, and reduces the sticking power of slag mud and box bottom, can effectively reduce the driving resistance that drags for the slag chain; Simultaneously, this mooching knife possesses the effect of returning cage to collect granular slag or foreign matter in the casing, can effectively reduce faults such as foreign matter chain jamming; Dreg scraper top is provided with guiding gutter, possesses water guide Li Shui effect, can effectively reduce driving resistance that drags for the slag chain and the effective Li Shui that realizes slag charge.
Said Li Shui slope exceeds the water surface of rotary hearth furnace water sealed tank, and satisfies slag charge drench water demand.
Said drive unit is arranged on the top of casing tilt section, and said tilting section and horizontal section corner are provided with guide deflection sheave, and said horizontal section afterbody is provided with tail wheel, and the said slag chain below of dragging for is provided with carrying roller; Drag for the slag chain and accomplish circular flow via guide deflection sheave, tail wheel and carrying roller.
Said drive unit is the speed control by frequency variation step-down gear, can regulate its running speed automatically according to the amount of institute's deslagging material, satisfies deslagging and energy-conservation dual requirements.
Said discharge chute leads to return conveyer, accomplishes the recycle of waste material.
Beneficial effect: the rotary hearth furnace water sealed tank slag discharging device of the utility model; Ingenious, the compact construction of its design; Drag for the slag chain with Li Shui slope on the successive floor mop of the slag charge of receiving through cycle; Drain into the return conveyer of rotary hearth furnace through the slag charge behind the abundant Li Shui via the discharge chute, accomplish the recycle of waste material, have deslagging and energy-conservation double effects.The utility model discharge efficient is high, continuity is good, good seal performance, long service life, and the row who is particularly suitable for coal-based direct reduction rotary hearth furnace water sealed tank slag charge drags for, and is to guarantee coal-based direct reduction rotary hearth furnace one of the indispensable utility appliance that runs well continuously.
Description of drawings
Fig. 1 is the structural representation of rotary hearth furnace water sealed tank slag discharging device;
Fig. 2 is the structural representation of dreg scraper;
Fig. 3 is the side-view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is done explanation further.
Extremely shown in Figure 3 like Fig. 1; A kind of rotary hearth furnace water sealed tank slag discharging device of the utility model; Comprising and closedly draw material chute 6, discharge chute 2, drag for slag chain 4 and drive and drag for the drive unit 1 of slag chain 4 cycle, is a closed box 8 from drawing material chute 6 to discharge chute 2, drags for slag chain 4 and is arranged in the casing 8 with drive unit 1; Casing 8 comprises horizontal section and tilting section; Horizontal section crosses the inner and outer ring of rotary hearth furnace, and horizontal section draws material chute 6 with in slag charge drainage to the horizontal section casing 8 in the water sealed tank through closed inner and outer ring water sealed tank UNICOM of drawing material chute 6 and rotary hearth furnace; Draw to be provided with between material chute 6 and the horizontal section and cut off gate valve 7, cut off gate valve 7 and can when fault, cut off connecting of water sealed tank and horizontal section; Tilting section is provided with Li Shui slope 3, cycle drag for slag chain 4 with Li Shui slope 3 on the successive floor mop of the slag charge of receiving, drain into the return conveyer of rotary hearth furnace through the slag charge behind the abundant Li Shui via discharge chute 2, accomplish the recycle of waste material.
In the present embodiment, circulation is dragged for slag chain 4 and need not tensioning, and can make things convenient for intercepting; Drag for slag chain 4 and be provided with dreg scraper 11; Dreg scraper 11 is provided with open hole 14; Dreg scraper 11 back sides are provided with strengthens gusset 15, and the bottom of dreg scraper 11 is provided with guide angle, makes this dreg scraper 11 possess the function of casing 8 bottom slag mud being carried out layered cutting; Can adapt to the thicker operating mode of slag mud, reduce dreg scraper 11 greatly and sink in the slag mud and cause the situation that drives overload; 2～3 mooching knifes 13 are set on the dreg scraper 11, and this mooching knife 13 can be ploughed conduction to the slag mud of casing 8 bottoms and become flexible, and reduces the sticking power of slag mud and casing 8 base plates, can effectively reduce the driving resistance that drags for slag chain 4; Simultaneously, this mooching knife 13 possesses the effect of returning cage to collect granular slag or foreign matter in the casing 8, can effectively reduce faults such as foreign matter chain jamming; Dreg scraper 11 tops are provided with guiding gutter 12, possess water guide Li Shui effect, can effectively reduce driving resistance that drags for slag chain 4 and the effective Li Shui that realizes slag charge.
It should be noted that Li Shui slope 3 exceeds the water surface of rotary hearth furnace water sealed tank, and satisfy slag charge drench water demand.Usually, guaranteeing that Li Shui slope 3 exceeds under the prerequisite of the water surface of rotary hearth furnace water sealed tank, the angle of inclination on Li Shui slope 3 is more little good more.Drive unit 1 is arranged on the top of casing 8 tilt sections, and tilting section and horizontal section corner are provided with guide deflection sheave 5, and the horizontal section afterbody is provided with tail wheel 10, drags for slag chain 4 belows and is provided with carrying roller 9; Drag for slag chain 4 and accomplish circular flow via guide deflection sheave 5, tail wheel 10 and carrying roller 9.Drive unit 1 is the speed control by frequency variation step-down gear, can regulate its running speed automatically according to the amount of institute's deslagging material, satisfies deslagging and energy-conservation dual requirements.Discharge chute 2 leads to return conveyer.
The row that the rotary hearth furnace water sealed tank slag discharging device of the utility model is particularly suitable for coal-based direct reduction rotary hearth furnace water sealed tank slag charge drags for, be guarantee the coal-based direct reduction rotary hearth furnace run well continuously indispensable utility appliance it
The above only is the preferred implementation of the utility model; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (6)
1. rotary hearth furnace water sealed tank slag discharging device; It is characterized in that: comprise and closedly draw material chute (6), discharge chute (2), drag for slag chain (4) and the drive unit (1) of slag chain (4) cycle is dragged in driving; Is a closed box (8) from drawing material chute (6) to discharge chute (2); Saidly drag for slag chain (4) and drive unit (1) is arranged in the casing (8), said casing (8) comprises horizontal section and tilting section, and horizontal section crosses the inner and outer ring of rotary hearth furnace; Horizontal section draws to be provided with between material chute (6) and the horizontal section and cuts off gate valve (7) through closed inner and outer ring water sealed tank UNICOM of drawing material chute (6) and rotary hearth furnace; Said tilting section is provided with Li Shui slope (3), and discharge chute (2) is positioned at below, Li Shui slope (3), and discharge chute (2) leads to the return conveyer of rotary hearth furnace.
2. rotary hearth furnace water sealed tank slag discharging device according to claim 1; It is characterized in that: the said slag chain (4) that drags for is provided with dreg scraper (11); The bottom of said dreg scraper (11) is provided with guide angle; 2～3 mooching knifes (13) are set on the dreg scraper (11), and dreg scraper (11) top is provided with guiding gutter (12).
3. rotary hearth furnace water sealed tank slag discharging device according to claim 1 is characterized in that: said Li Shui slope (3) exceeds the water surface of rotary hearth furnace water sealed tank.
4. rotary hearth furnace water sealed tank slag discharging device according to claim 1; It is characterized in that: said drive unit (1) is arranged on the top of casing (8) tilt section; Said tilting section and horizontal section corner are provided with guide deflection sheave (5); Said horizontal section afterbody is provided with tail wheel (10), and said slag chain (4) below of dragging for is provided with carrying roller (9).
5. rotary hearth furnace water sealed tank slag discharging device according to claim 1 is characterized in that: said drive unit (1) is the speed control by frequency variation step-down gear.
6. according to each described rotary hearth furnace water sealed tank slag discharging device of claim 1 to 5, it is characterized in that: said discharge chute (2) leads to return conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200853443U CN202509101U (en) | 2012-03-09 | 2012-03-09 | Water seal tank sludge discharge device of rotary hearth furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200853443U CN202509101U (en) | 2012-03-09 | 2012-03-09 | Water seal tank sludge discharge device of rotary hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202509101U true CN202509101U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200853443U Expired - Fee Related CN202509101U (en) | 2012-03-09 | 2012-03-09 | Water seal tank sludge discharge device of rotary hearth furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202509101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589285A (en) * | 2012-03-09 | 2012-07-18 | 江苏沙钢集团有限公司 | Slag discharge device of water seal tank of rotary hearth furnace |
-
2012
- 2012-03-09 CN CN2012200853443U patent/CN202509101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589285A (en) * | 2012-03-09 | 2012-07-18 | 江苏沙钢集团有限公司 | Slag discharge device of water seal tank of rotary hearth furnace |
| CN102589285B (en) * | 2012-03-09 | 2013-11-20 | 江苏沙钢集团有限公司 | Slag discharge device of water seal tank of rotary hearth furnace |
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Legal Events
| 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: 20121031 Termination date: 20190309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |