CN201731764U - Sintering machine tail guide trough - Google Patents
Sintering machine tail guide trough Download PDFInfo
- Publication number
- CN201731764U CN201731764U CN 201020222712 CN201020222712U CN201731764U CN 201731764 U CN201731764 U CN 201731764U CN 201020222712 CN201020222712 CN 201020222712 CN 201020222712 U CN201020222712 U CN 201020222712U CN 201731764 U CN201731764 U CN 201731764U
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- CN
- China
- Prior art keywords
- deflector chute
- guide trough
- sintering machine
- heavy rail
- machine tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a sintering machine tail guide trough, which structurally comprises a lateral lining plate, a support, a heavy steel rail, a retaining device and an elastic device. The lateral lining plate and the support are welded into a frame structure to form a sealing cover plate, the heavy steel rail mounted on the upper surface of a trough body of the guide trough is longitudinally laid, the retaining device is transversally welded between the lower end of the guide trough and the heavy steel rail along the surface of the guide trough, and the elastic device is mounted on the lower portion of a guide trough frame to form a base of the guide trough. The sintering machine tail guide trough can retard impact of sinter cakes falling onto the surface of the guide trough, improves stability, is resistant to abrasion and corrosion, prolongs the service life of the guide trough, increase possibility of grinding among materials by filling sinter ores in gaps of the steel rail, and has the advantages of simple and convenient equipment installation and maintenance, high production stability degree and important significances in improving yield and quality of sinter cores and reducing cost of the sinter ores.
Description
Technical field
The utility model relates to metallurgy sintered machine technology field, particularly a kind of sintering machine tail deflector chute.
Background technology
The sintering machine tail deflector chute is the visual plant on the main line of whole sintering process production line between the feeder of the afterbody of sintering machine and single roll crusher, and the length in its service life is directly connected to the operating rate of whole SINTERING PRODUCTION.The effect of sintering machine tail deflector chute is the powerful impact that produces when being used for absorbing sinter cake on the chassis and falling, and between the thermal sintering cake that will sinter feeding single roll crusher the roller tooth and grate plate that are rotating, improve crushing effect, its reliability is vital for steady production.Iron-bearing material is equipped with solvent, fuel etc. and forms compound through mixing granulation, by distribution device on the sintering machine compound cloth on the chassis of sintering machine, light a fire through ignition furnace, under the exhausting condition, compound carries out sintering from top to bottom, when sintering pallet ran to the afterbody of sintering machine, compound had become the thermal sintering cake, and its temperature is between 750～850 ℃.According to 360m
2Sintering machine install and use explanation, during the sintering pallet blanking, every chassis unloads the sinter cake weight that falls and can reach 7t, drop reaches 3m, impulsive force is quite big.Generally sintering pallet face and single roll crusher chassis face relative relief be greater than 4m, and deflector chute be 24 hours 400～500 ℃ of following non-stop runs.For preventing that sinter cake from directly impacting single roller and producing destruction to single roller, deflector chute requires to have certain length, after material on the sintering pallet gets off, by the mode of expecting material extrusion material is fed single roll crusher, so deflector chute requires at high temperature shock-resistant, wear-resistant, corrosion-resistant.Deflector chute long-term existence maintenance workload is big, integral replacing is the problem of difficulty relatively, conventional sintering machine tail deflector chute unreasonable structure, and deflector chute is subjected to the impact of sinter cake for a long time and washes away under hot conditions, deflector chute is high temperature corrosion and wear out failure very easily, has a strong impact on the operating rate of sintering plant.Frequent, maintenance load of accident and consume material spare part amount greatly are one of the common problem of current each big sintering plant both at home and abroad and difficult point in the production process, separately all in approach of seeking to capture and way.The service life of therefore improving deflector chute is significant.
At present, sintering machine tail deflector chute all adopts identical Design Mode, structure much at one, whole deflector chute comprises base, cell body, scraper piece, material blocking block and side plate, wherein cell body comprises biside plate, multistage pocket material ladder, front vertical wall and ladder inclined-plane base plate.Some little sintering adopt cast structure, the impact of sinter cake when the deflector chute cell body mainly is subjected to the sintering pallet blanking, and cell body is under long-term the impact, and the steel plate of cell body can produce distortion and wearing and tearing.Big sintering machine generally adopts Welding Structure, because its condition of work very severe, the charging and discharging end and the cell body of deflector chute wear and tear easily, and its service life is shorter.The middle part of tradition deflector chute is provided with the material lining, the general steel plate that adopts of material lining is welded into the version that grid adds little square steel, and deflector chute in use expects that lining constantly is subjected to the impact of thermal sintering cake, the material lining in service life that does not reach expection toward contact is just smashed, and needs stop production to overhaul.Because the material lining can't be dismantled, and in most cases is the cell body of integral replacing deflector chute, changes like this, both because of the manufacturing schedule that influences consuming time, has also improved production cost, economic loss is too big.Because cell body itself is in (〉=700 ℃) in the hot environment for a long time; the weight of each chassis sinter cake is big; the drop height; make the pocket material ladder on the cell body wear and tear easily and distortion; sometimes material blocking block and gusset are washed out; make whole pocket hopper destroy; and directly damage step board and cell body base; will cause serious consequence to next process like this; it is stuck that at first material blocking block that is washed out or steel plate are easy to cause single roll crusher; can form the putty accident when serious and cause shutdown, the steel plate of abrasion deformation is easy to cause the accident of tearing belt to take place after washing out in addition.The life cycle of existing deflector chute was generally three months, and the time between overhauls(TBO) then is about 15 days.Consult pertinent literature, Chinese patent Granted publication CN201218659Y discloses a kind of " sintering machine deflector chute " existing deflector chute has been improved, wear-resistant block adopts rectangular block, form the depression hole between its medial surface and the last step, can utilize the hole inner filling material to form anti-wear-resisting and shock proof protection and pile up.Though this improvement has certain effect, service life is still undesirable.
Sintering machine tail deflector chute produces the main cause that lost efficacy and shows the following aspects: 1. the structural design of scraper piece is unreasonable; scraper piece and bearing thereof are by the inboard wearing and tearing easily of deflector chute; after may wear to a certain degree; the connecting bolt of scraper piece will drop; scraper piece and bearing thereof also can drop; under the extruding of material, enter single roll crusher, cause major accidents such as single roll crusher broken teeth or off-axis or motor overcurrent shutdown.2. cell body is easy to wearing and tearing under the washing away of materials flow, though the material that general design is made up of the lattice plate serves as a contrast, the lattice plate is because of wear-resisting appearance than quick-wearing not, to such an extent as to the lattice plate in the cell body will often be repaired.3. the discharge end of deflector chute is subjected to washing away of high temperature sintering cake for a long time, and it is the most serious to wear and tear, and at high temperature works for a long time because of deflector chute simultaneously, and steel plate corrodes easily, has quickened the wearing and tearing of equipment, thereby its service life is short.In sum, deflector chute is owing to for a long time be subjected to the impact of sinter cake and wash away under hot conditions, and deflector chute is high temperature corrosion and wear out failure very easily, and maintenance workload is big, has a strong impact on the operating rate of sintering plant.
The utility model content
The utility model improves existing sintering machine deflector chute device, a kind of shock resistance is provided, resistance to wears, corrosion resistant sintering machine tail deflector chute.
Its structure of sintering machine tail deflector chute device that the utility model provides comprises:
Side plate, support, heavy rail, stop gauge, elastic device, side plate and support are welded into frame structure, form seal cover board, heavy rail is installed in deflector chute cell body upper surface and vertically lays, stop gauge along deflector chute surface transverse weld between deflector chute lower end and heavy rail, elastic device is installed in deflector chute framework bottom, forms the deflector chute pedestal.
The elastic device of described formation deflector chute pedestal, constitute by ring spring or flat spring, wherein ring spring replaces stack combinations by the washer-shaped spring steel of the washer-shaped spring steel of internal conical surface external cylindrical surface and inner cylinder face outer conical surface and forms, and ring spring quantity is determined according to the size of its bearing load and the requirement that produces distortion.Ring spring is applied to limited space and needs the occasion of powerful buffering.
The heavy rail that lay along the longitudinal direction on described deflector chute surface, no gap contact between the heavy rail base, heavy rail length dimension and deflector chute are isometric.The effect of supporting heavy rail is played along round steel of deflector chute transverse weld in the heavy rail bottom.Between the heavy rail along the transverse weld round steel to stop materials flow, between the heavy rail gap, form the bed of material, reach the material abrasive material purpose.
The utility model is compared with existing sintering machine deflector chute, and its beneficial effect is: elastic device is adopted in deflector chute bottom, to the impact on deflector chute surface, increases stability in the time of can slowing down sinter cake and fall; Heavy rail is laid on the deflector chute surface along the longitudinal direction increases the shock resistance on deflector chute surface, resistance to wear, corrosion resistant performance, improves service life; Transverse weld round steel between the heavy rail makes that the gap between the rail is filled with sintering deposit, increases the possibility of material abrasive material.Equipment is installed, easy maintenance, production degree of stability height.To improving output, the quality of sintering deposit, the cost that reduces sintering deposit is significant.
Description of drawings
Fig. 1 is the structural representation of sintering machine tail deflector chute, and Fig. 2 is an A-A cross-sectional view in the structural representation of sintering machine tail deflector chute.
The specific embodiment
As shown in Figure 1 and Figure 2, sintering machine tail deflector chute structure comprises: side plate 1, support 2, heavy rail 3, stop gauge 4, elastic device 5, side plate 1 and support 2 are welded into frame structure, form seal cover board, heavy rail 3 is installed in deflector chute cell body upper surface and vertically lays, between deflector chute lower end and heavy rail, elastic device 5 is installed in deflector chute framework bottom to stop gauge 4, forms the deflector chute pedestal along deflector chute surface transverse weld.The elastic device that the deflector chute pedestal adopts is made of ring spring, and ring spring replaces stack combinations by the washer-shaped spring steel of the washer-shaped spring steel of internal conical surface external cylindrical surface and inner cylinder face outer conical surface and forms.Ring spring arranges that along the deflector chute arranged on both sides ring spring quantity is 4～16, the heavy rail that lay along the longitudinal direction on the deflector chute surface, and no gap contact between the heavy rail base, heavy rail length dimension and deflector chute are isometric.The effect of supporting heavy rail is played along round steel of deflector chute transverse weld in the heavy rail bottom.Between the heavy rail along 2～8 round steel of transverse weld to stop materials flow, between the heavy rail gap, form the bed of material, reach the material abrasive material purpose.
Claims (4)
1. sintering machine tail deflector chute, it is characterized in that this deflector chute comprises: side plate, support, heavy rail, stop gauge, elastic device, side plate and support are welded into frame structure, form seal cover board, heavy rail is installed in deflector chute cell body upper surface and vertically lays, between deflector chute lower end and heavy rail, elastic device is installed in deflector chute framework bottom to stop gauge, forms the deflector chute pedestal along deflector chute surface transverse weld.
2. sintering machine tail deflector chute according to claim 1 is characterized in that being made of the elastic device of said formation deflector chute pedestal ring spring or flat spring.
3. sintering machine tail deflector chute according to claim 2, it is characterized in that said elastic device, constitute by ring spring, ring spring replaces stack combinations by the washer-shaped spring steel of the washer-shaped spring steel of internal conical surface external cylindrical surface and inner cylinder face outer conical surface and forms, ring spring arranges that along the deflector chute arranged on both sides ring spring quantity is 4～16.
4. sintering machine tail deflector chute according to claim 1, it is characterized in that no gap contact between the said heavy rail base, heavy rail length dimension and deflector chute are isometric, the heavy rail bottom is along round steel of deflector chute transverse weld, between the heavy rail along 2～8 round steel of transverse weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020222712 CN201731764U (en) | 2010-06-11 | 2010-06-11 | Sintering machine tail guide trough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020222712 CN201731764U (en) | 2010-06-11 | 2010-06-11 | Sintering machine tail guide trough |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731764U true CN201731764U (en) | 2011-02-02 |
Family
ID=43522921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020222712 Expired - Fee Related CN201731764U (en) | 2010-06-11 | 2010-06-11 | Sintering machine tail guide trough |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542725A (en) * | 2013-10-12 | 2014-01-29 | 首钢总公司 | Method for prolonging service life of guide chute of sintering machine |
-
2010
- 2010-06-11 CN CN 201020222712 patent/CN201731764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542725A (en) * | 2013-10-12 | 2014-01-29 | 首钢总公司 | Method for prolonging service life of guide chute of sintering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20130611 |