CN100418865C - Adjustable feeding plate of grate - Google Patents
Adjustable feeding plate of grate Download PDFInfo
- Publication number
- CN100418865C CN100418865C CNB021585733A CN02158573A CN100418865C CN 100418865 C CN100418865 C CN 100418865C CN B021585733 A CNB021585733 A CN B021585733A CN 02158573 A CN02158573 A CN 02158573A CN 100418865 C CN100418865 C CN 100418865C
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- shovel
- flitch
- shovel flitch
- grate
- wedge
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Abstract
The present invention relates to an adjustable material-shoveling plate device for a chain-grate machine, wherein the surface of the material-shoveling plate and a middle plate form a spoon shape and can accumulate a material protection layer; the upper part of a special adjusting block is supported on the material-shoveling plate, and the lower part is hung with a heavy hammer by a suspender; the gap of the material-shoveling plate and the surface of a grate bed can be randomly adjusted on the outside of the machine; the side gap is adjusted by a side shovel head to conveniently control the defect of material leakage of the material-shoveling plate in a maximum limit and improve work conditions of bearing force and heat of the material-shoveling plate. The present invention is made of rare earth wear-resistant and heat-resistant alloy material, and can reduce the cost and prolong the service life.
Description
Affiliated technical field
The invention belongs to field of metallurgical equipment, relate to a kind of drying grate shovel flitch structure and regulative mode, be applicable to that the grate kiln system produces the device of the key equipment drying grate of acid pellet or metallized pellet toward the rotary kiln discharging.
Background technology
At present, it is in rising trend to adopt grate kiln to produce the pelletizing mode in the world, has accounted for more than 45% of pelletizing production, though that it is once invested is bigger.But because its productive capacity is big, reliable in quality, the advantage that productive costs is low is more and more favored by enterprise.The domestic middle-scale device that develops into 1,200,000 tons/annual output by original two or three family's several ten thousand tons of packaged plants of annual output to the hundreds of thousands of ton.The device of producing 200 to 2,400,000 tons now per year also has several families to build, and is approaching with external process units ability.
Referring to accompanying drawing 3, during pelletizing production, green-ball drying, dehydration, preheating on drying grate operation chain grate bed 27 reach 800-850 ℃, enter rotary kiln through chute 31 under head 28 is shoveled by the shovel flitch, and further roasting becomes finished product.The shovel flitch requires all to leave suitable gap between its termination and comb bed surface and lateral wall and operation chain grate bed 27 side plates as the key device in the discharge process, makes it neither can cause dieback, hinders bed 27 operations of combing, and is unlikely to leak material again too much.Simultaneously, the shovel flitch also plays and contains head great wheel 28, exempts from the direct heat radiation of 1000-1100 ℃ of high temperature gas flow of rotary kiln.
General shovel flitch device (Fig. 3) is made up of the side shovel board 3 and the several piece arc intermediate plate 4 of two arc band edge groups.Every block of plate is fixed on by the bottom journal stirrup in the rotating shaft 5 of swivel base 6, can be with axle deflection, and swivel base has water-cooled beam 86 times.The swivel base front end is established a pole socket 32, adjusts the thickness adjustment shovel head of backing plate 33 and the gap between the head comb bed cambered surface for 32 times by an adjustment pole socket.When expecting for preventing to shovel, the shovel flitch is by ball material jack-up, and the suspension rod 15 of shovel flitch lower end hangs the weight 11 of the adjustable weight that makes it to reset.The gaps of the Bian Bangyu comb bed 27 operation chain side plates of side shovel board 3 can only determine still do not have the measure of adjusting effectively easily by manufacturing and installation dimension.Because the shovel flitch is to work under 1000-1100 ℃ abominable gas phase temperature, it is very difficult that cushioning is adjusted in heavy foundry goods limited space in body, and must can carry out after the cooling of stopping.In addition, pellet rolls down when moving to shovel flitch cambered surface by great wheel 28 rapidly, bed of material attenuate, be not enough to the wrapper plate face, cause material-shovelling board face directly to suffer the high temperature gas flow radiation, the shovel flitch is under the very low situation of hot strength limit, also to bear the load of suspension rod 15 lower heavy punches 11, its intensity is weakened greatly, even damage, reduced service life.
During work, it is the common fault of this device that material is leaked at shovel flitch place, and it is even more serious to leak material with the lateral wall place, calculates by 3% the index of allowing at present to lose, and produces 1000000 tons equipment per year, has every year 30000 tons of half-blanks to enter revert system approximately, has increased productive costs virtually.
In addition, when the grate plate 30 of operation chain grate bed 27 runs to great wheel 28, after level is superimposed with each other and is asking pellet to rotate discharging with great wheel, upset exposes voluntarily, and bump mutually takes place 30 of grate plates, and the bulk cargo pocket is amassed in grate plate 30 inboards, falling to spreading on the way in backhaul, also is weak point.Though also have the rigid guideway scheme of (not showing among Fig. 3) is set on the backhaul section that moves down after the grate plate discharging, rigid guideway is easily stuck, and grate plate is produced the hard grind damage.
Summary of the invention
The present invention is for overcoming above-mentioned the deficiencies in the prior art; a kind of spoonful of shape face shovel flitch is provided; this shovel flitch can retain a certain amount of pellet and form the protection bed of material, can regulate the shovel flitch simultaneously easily and the gap of the gap of the bed of combing and shovel flitch limit group and operation chain side plate.Thereby reduce the leakage material at shovel flitch place, improvement is heated, strained condition, improves the life-span, cost-cutting.
Technical scheme of the present invention is: the adjustable shovel flitch of drying grate device comprises side shovel board, intermediate plate, rotating shaft, swivel base, water-cooled beam, weight, suspension rod, the side shovel board of band edge group and the shovel charge level of intermediate plate are a spoonful shape cambered surface, and the side shovel head that removable adjusting sideshake is set is helped on side shovel board limit; Be provided with buting iron in shovel flitch discharge side bottom; Be provided with the adjustment piece in the middle part of suspension rod, make lift heavy hammer under the suspension rod, upward prop up a shovel flitch, when shoveling flitch by jack-up, suspension rod makes the shovel flitch reset with adjustment piece disengagement, weight automatically; Shovel flitch front end has hung flexible guide.
Adjust piece and comprise panel, wedge, big or small roller, screw mandrel, pilot bar, base; Wedge is between base and panel, and suspension rod passes panel, wedge and base from top to bottom successively, and wedge links to each other with screw mandrel; Described screw mandrel rotation is moved the wedge with big or small roller, and panel is moved vertically along pilot bar, adjusts screw mandrel and stretches adjustment at random outside the outer realization machine of body.
Change shovel flitch shape, enable to retain a certain amount of pellet and form protective cover, side shovel board limit group establishes a movable adjustable shovel head and constitutes fabricate block with the side shovel board, so that adjust backlash.
Provide a setting device to place the suspension rod place, replace original pole socket, thereby play the effect of lift heavy hammer under the shovel flitch.By adjusting the lifting of suspension rod, make the deflection of shovel flitch, realize the shovel flitch and the adjustment in the bed cambered surface gap of combing.
Divide into a flexible guide at the shovel flitch, described flexible guide is made up of curved track, pull bar, roller chain, retaining sprocket wheel, sash weight; At shovel flitch front end earrings is set, earrings connects curved track by bearing pin, the curved track lower end is connected with pull bar, with a common roller chain, the extension sash weight under the roller chain of hanging of bearing pin, curved track and pull bar, establish a retaining sprocket wheel in reverse backhaul place of grate plate, grate plate contacts with roller chain is soft, forces operation chain grate plate to keep former closed state, when making grate plate along the soft contact-sliding of flexible guide to horizontal backhaul, could overturn, thereby avoid bump and pocket material.
The containing comb bed discharging cambered surface of the big limit of shovel flitch makes the unlikely attenuation of the bed cambered surface bed of material of combing, thus the protection head.
The shovel flitch is selected the cheap material of the wear-resisting high temperature resistance of energy for use, is low nickel rare earth antiwear heat resisting alloy ZG40CrNiMoWSiRe foundry goods.
Description of drawings
Fig. 1 is the adjustable at random shovel flitch of a spoon shape of the present invention set-up diagram;
Fig. 2 is that the wedge formula is adjusted the piece detail drawing among Fig. 1;
Fig. 3 is the general shovel flitch set-up diagram in the background technology.
1. side shovel heads wherein, 2. bearing pin, 3. side shovel board, 4. intermediate plate, 5. rotating shaft, 6. swivel base, 7. buting iron, 8. water-cooled beam, 9. the wedge formula is adjusted piece, 10. strutbeam, 11. weight, 12. curved track, 13. pull bar 14. sleeve pipes, 15. suspension rod, 16. roller chain, 17. sash weight, 18. retaining sprocket wheel, 19. panel, 20. pilot bar, 21. wedge, 22. nut, 23. screw mandrel, 24. base, 25. big roller, 26. little roller, the bed 27. comb, 28. great wheel, 29. backhaul bend wheel, 30. grate plate, 31. chute, a 32. pole socket, 33 adjust backing plate
The specific embodiment
The present invention is based on aforesaid technical scheme, to prior art, carried out following concrete the improvement: referring to Fig. 1, promptly cancelled original pole socket 32, under each shovel flitch the suspension rod 15 that hangs weight 11 has been set, suspension rod 15 adds a sleeve pipe 14.Suspension rod 15 passes cooresponding with it wedge formula and adjusts piece 9, following lift heavy hammer 11, and 14 of sleeve pipes are adjusted in the wedge formula on the panel 19 of piece 9.Adjusting piece 9 referring to Fig. 2 wedge formula is made up of panel 19, wedge 21, big or small roller 25,26, screw mandrel 23, base 24, pilot bar 20.Be equipped with big or small roller the 25, the 26th, in order to reduce the friction force of mobile wedge, after adjusting piece adjustment shovel flitch and putting in place, lock preventing with nut 22 and to become flexible.All wedge formulas are adjusted piece 9 and are installed on the water-cooled strutbeam of being made by steel I-beam 10, move wedge 21 by rotary screw rod 23, adjust the height of panel 19, make sleeve pipe 14 together with suspension rod 15 liftings, thereby make the shovel flitch deflection of forming by side shovel board 3 and intermediate plate 4 thereupon, reach shovel flitch and the gap requirement that moves chain grate bed 27.Generally speaking, the shovel flitch is adjusted piece 9 supportings by sleeve pipe 14 and wedge formula, can only jack-up can not fall, and does not bear the gravity of weight 11.Have only the shovel flitch by ball material jack-up, when sleeve pipe 14 left wedge formula adjustment piece 9 panels 19, the weight of weight 11 just produced the pulling force that resets to the shovel flitch.Stretch out outside the body because the wedge formula is adjusted the screw mandrel 23 of piece 9, can realize adjusting at random easily.
The present invention improves the shape of shovel flitch simultaneously.Place, lower edge at original arc shovel flitch is provided with one section little anti-arc, is a spoonful shape.The anti-arc of this section can make on the shovel flitch and retain one deck buildup, promptly expects abrasive material, forms shovel flitch reliable protection layer, improves the service conditions of shovel flitch.
In addition, the side of side shovel board 3 is helped to change the structure of being helped the combination of two bodies by a side shovel head 1 and limit into, with bolt two parts are joined together, the bolt hole of side shovel head 1 is a slotted hole, but sway.So just can regulate side shovel head 1 and the appropriate clearance of moving chain grate bed 27 side plates easily, effectively control the lateral wall place and lose.
For guaranteeing shovel flitch and great wheel 28 relative positions, the water-cooled beam 8 under the shovel flitch swivel base 6 is fixed on the frame (not showing among Fig. 1) with the great wheel bearing seat not because of temperature traverse changes.In addition, on the water-cooled beam 8 of shovel flitch discharge side, set up buting iron 7, to stop high-temperature gas as far as possible, the member of protection shovel flitch below from rotary kiln.
The material of shovel flitch adopts the ZG40CrNiMoWSiRe alloy cast steel of the very cheap wear-resisting high temperature resistance of low nickel rare earth, has both prolonged service life, has reduced cost again.
For solving the problem of grate plate 30, at shovel flitch front end earrings is set, with bearing pin 2, curved track 12 and pull bar 13 a common roller chain 16,16 times extension sash weights 17 of roller chain of hanging in great wheel 28 places upset bump and buildup.Establish a retaining sprocket wheel 18 in grate plate 30 reverse backhauls place, thereby constitute flexible guide.Flexible guide forces grate plate 30 to keep former closed state, moves down into low-temperature space along flexible guide, and at backhaul bend wheel 29 places, it is sagging to overturn voluntarily, changes the level reach into.Avoided mutual bump and pocket to amass bulk cargo, upset exposes at great wheel 28 places to have avoided grate plate 30 simultaneously, suffers hyperthermia radiation.Because grate plate 30 contacts with flexible guide is soft, it is easily stuck also to have overcome rigid guideway, hard worn-down disadvantage.
Claims (4)
1. the adjustable shovel flitch of drying grate device, comprise: side shovel board, intermediate plate, rotating shaft, swivel base, water-cooled beam, weight, suspension rod, it is characterized in that: the side shovel board of band edge group and the shovel charge level of intermediate plate are a spoonful shape cambered surface, and the side shovel head (1) that removable adjusting sideshake is set is helped on side shovel board limit; Be provided with buting iron (7) in shovel flitch discharge side bottom; Be provided with adjustment piece (9) at suspension rod (15) middle part, make lift heavy hammer under the suspension rod, upward prop up a shovel flitch, when shoveling flitch by jack-up, suspension rod makes the shovel flitch reset with adjustment piece disengagement, weight automatically; Shovel flitch front end has hung flexible guide.
2. the adjustable shovel flitch of drying grate as claimed in claim 1 device is characterized in that: described adjustment piece comprises panel (19), wedge (21), big or small roller (25,26), screw mandrel (23), pilot bar (20), base (24); Wedge (21) is positioned between base (24) and the panel (19), and suspension rod (15) passes panel (19), wedge (21) and base (24) from top to bottom successively, and wedge (21) links to each other with screw mandrel (23); Described screw mandrel (23) rotation is moved the wedge (21) with big or small roller, and panel (19) is moved vertically along pilot bar, adjusts screw mandrel and stretches adjustment at random outside the outer realization machine of body.
3. the adjustable shovel flitch of drying grate as claimed in claim 1 device is characterized in that: described shovel flitch is low nickel rare earth antiwear heat resisting alloy ZG40CrNiMoWSiRe foundry goods.
4. the adjustable shovel flitch of drying grate as claimed in claim 1 device is characterized in that: described flexible guide is made up of curved track (12), pull bar (13), roller chain (16), retaining sprocket wheel (18), sash weight (17); At shovel flitch front end earrings is set, earrings connects curved track (12) by bearing pin (2), curved track (12) lower end is connected with pull bar (13), hang a roller chain (16) jointly with bearing pin (2), curved track (12) and pull bar (13), roller chain (16) is extension sash weight (17) down, establish a retaining sprocket wheel (18), grate plate (30) and soft contact of roller chain (16) in reverse backhaul place of grate plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021585733A CN100418865C (en) | 2002-12-26 | 2002-12-26 | Adjustable feeding plate of grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021585733A CN100418865C (en) | 2002-12-26 | 2002-12-26 | Adjustable feeding plate of grate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510381A CN1510381A (en) | 2004-07-07 |
| CN100418865C true CN100418865C (en) | 2008-09-17 |
Family
ID=34237059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021585733A Expired - Lifetime CN100418865C (en) | 2002-12-26 | 2002-12-26 | Adjustable feeding plate of grate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100418865C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050328B (en) * | 2010-12-02 | 2012-07-04 | 中冶北方工程技术有限公司 | Material shoveling plate jacking mechanism of chain grate |
| CN104344720B (en) * | 2012-12-24 | 2016-06-15 | 中冶长天国际工程有限责任公司 | A kind of grate plate flexible guide rail suspension strut mechanism and drying grate |
| CN105066688B (en) * | 2015-08-21 | 2017-03-01 | 中冶北方（大连）工程技术有限公司 | Rotary kiln shovel flitch lifts detection means |
| CN106882573B (en) * | 2017-03-24 | 2019-07-19 | 浙江新诚汽车部件有限公司 | It is a kind of conducive to the smooth attachment device into collecting box of exhaust pipe |
| CN108001956B (en) * | 2017-12-11 | 2023-06-30 | 内蒙古汇能煤电集团有限公司长滩露天煤矿 | Distributed multipoint displacement conveyor adopting movable receiving car |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811557A (en) * | 1973-03-26 | 1974-05-21 | Allis Chalmers | Side stripper for raveling grate conveyor |
| US3815727A (en) * | 1973-04-30 | 1974-06-11 | Allis Chalmers | Replaceable tip for end stripper of traveling grate conveyor and end stripper having such replaceable tip |
| US3863755A (en) * | 1973-04-30 | 1975-02-04 | Allis Chalmers | End stripper for a traveling grate conveyor |
| EP0044473A1 (en) * | 1980-07-23 | 1982-01-27 | Krupp Koppers GmbH | Baffle device for the discharge end of band or plate conveyors, or the like |
| CN2512747Y (en) * | 2001-12-25 | 2002-09-25 | 中冶集团长沙冶金设计研究总院 | Flexible guide rail device for grate plate |
| CN2588303Y (en) * | 2002-12-26 | 2003-11-26 | 首钢总公司 | Adjustable material-shovelling board device for chain-grate machine |
-
2002
- 2002-12-26 CN CNB021585733A patent/CN100418865C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3811557A (en) * | 1973-03-26 | 1974-05-21 | Allis Chalmers | Side stripper for raveling grate conveyor |
| US3815727A (en) * | 1973-04-30 | 1974-06-11 | Allis Chalmers | Replaceable tip for end stripper of traveling grate conveyor and end stripper having such replaceable tip |
| US3863755A (en) * | 1973-04-30 | 1975-02-04 | Allis Chalmers | End stripper for a traveling grate conveyor |
| EP0044473A1 (en) * | 1980-07-23 | 1982-01-27 | Krupp Koppers GmbH | Baffle device for the discharge end of band or plate conveyors, or the like |
| CN2512747Y (en) * | 2001-12-25 | 2002-09-25 | 中冶集团长沙冶金设计研究总院 | Flexible guide rail device for grate plate |
| CN2588303Y (en) * | 2002-12-26 | 2003-11-26 | 首钢总公司 | Adjustable material-shovelling board device for chain-grate machine |
Non-Patent Citations (4)
| Title |
|---|
| 承钢链篦机－回转窑主题工艺设备改造. 郭长林.烧结球团，第21卷第3期. 1996 |
| 承钢链篦机－回转窑主题工艺设备改造. 郭长林.烧结球团，第21卷第3期. 1996 * |
| 链篦机铲料板漏料原因分析及处理. 张彦博.烧结球团，第25卷第4期. 2000 |
| 链篦机铲料板漏料原因分析及处理. 张彦博.烧结球团，第25卷第4期. 2000 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1510381A (en) | 2004-07-07 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 Shougang general office, Shijingshan District, Beijing Co-patentee after: Jiangsu Hongda Special Steel Machinery Plant Patentee after: SHOUGANG GROUP Co.,Ltd. Address before: 100041 Shougang general office, Shijingshan District, Beijing Co-patentee before: Jiangsu Hongda Special Steel Machinery Plant Patentee before: SHOUGANG Corp. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080917 |
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| CX01 | Expiry of patent term |