CN202715820U - Slag rake rotary slag-salvaging machine - Google Patents
Slag rake rotary slag-salvaging machine Download PDFInfo
- Publication number
- CN202715820U CN202715820U CN 201220326485 CN201220326485U CN202715820U CN 202715820 U CN202715820 U CN 202715820U CN 201220326485 CN201220326485 CN 201220326485 CN 201220326485 U CN201220326485 U CN 201220326485U CN 202715820 U CN202715820 U CN 202715820U
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- slag
- rake
- car body
- harrow shaft
- shaft
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Abstract
The utility model discloses a slag rake rotary slag-salvaging machine. A connecting rod (2), a main arm (7) and a main arm oil cylinder (8) are respectively hinged with the front end of a main body (1); the front end of the main arm oil cylinder (8) is hinged with the main arm (7); a power box (3) is arranged at the front end of an auxiliary arm (6); the front ends of the connecting rod (2) and the main arm (7) are respectively connected to the auxiliary arm (6) in a hinging mode; two parallel slag rake shafts (5) which can be driven by the power box (3) to rotate are arranged below the power box (3); a slag rake (4) is arranged at the lower end of each slag rake shaft (5); a slag rake main body (4-1) is in a shape of a container, and openings are formed at the upper end and on one side face of the container; and a layer of high-temperature fire-retardant and slag-adhesion-resistant coatings is coated on the surface of each slag rake (4). The main arm drives the slag rakes to vertically move by taking a rear hinging point of the main arm as the center, and the driving power of a working arm is reduced. In the lifting movement process of the slag rakes, the slag rakes can lift in a horizontal state all the time. The slag-salvaging efficiency of the machine is improved.
Description
Technical field
The utility model relates to a kind of machine that slag is used that drags for, particularly a kind of slag rake swinging dragveyer device.Be mainly used in the cleaning of molten iron, the floating dregs of molten steel surface in molten iron, the steel ladle, also can be used for the cleaning of liquid surface floating thing under other similar operating mode.
Background technology
Granted publication number for the Chinese invention patent of CN1241704C disclose the Sheng Fuchun invention " a kind of molten iron efficiently drags for the slag method
And isolated plant ".Compare with existing molten iron drossing technology and equipment, it has the slagging-off rate and obviously improves, and drags for slag band iron and significantly reduces, and the iron loss rate can be strict controlled in 0.1% with interior outstanding feature.
The slag isolated plant that drags for of foregoing invention patent comprises the flatcar track, the flatcar that on the flatcar track, back and forth moves, and the cantilever that is connected with flatcar by lifting main shaft (oil cylinder), front end at cantilever has been installed tooth bar, it is meshed with the gear of both sides, and two gyroaxises are fixed together the rear end of two gears and two slags rake.The rear end of tooth bar is connected with oil cylinder, and tooth bar is advanced and retreat by hydraulic oil cylinder driving, drives the slag rake by gear and gyroaxis and does gyration.The side that two slag rakes wherein close up slag inclusion is zigzag, is convenient to gather or clamp slag charge.Cantilever can according to customer requirements, be designed to hydraulic telescopic type.
This device can realize that it drags for the slag method, and can reach its goal of the invention.But there is following technological deficiency in it:
The first, it drives the driving box, slag rake at cantilever and cantilever two ends by the lifting main shaft and moves both vertically as the hydraulic system of counterweight, and the gross weight of cantilever and driving box, slag rake and hydraulic system is larger, therefore the mechanical performance of lifting main shaft and lifting power are required very highly, and cause thus that equipment is complicated, cost is high, energy consumption is large; The shortcomings such as on the other hand, also the existence operation is heavy, and the lifting action of cantilever and slag rake is slow.
The second, the slag rake rocks with being easy in the cantilever elevation process produce, and the slag that picks up drops easily.In order to reduce the amount of dropping of slag as far as possible, the walking of flatcar must slowly, therefore can affect the operating efficiency of dragging for slag again.
Three, therefore the rotation of unrealized cantilever can only rely on backward mobile slagging of flatcar, and in the straight line space of the position of slagging on ladle and dragveyer axis, technology arrangement is limited, can not realize turning round slagging and then reaching the purpose that molten iron drags for slag online.
Four, adopt that gear-rack drive slag rake opens, closure, exist on the one hand to drive hypodynamic shortcoming; On the other hand, require in design the rack drives oil cylinder must be along the dragveyer axis arranged, transmission case be longer, and the length of dragveyer also increases thereupon, causes the site layout project of dragveyer to encounter difficulties.
Five, because its slag is harrowed indentation, and dregs drop from the sawtooth slit easily, thus the operating efficiency that slag is dragged in impact, and, because sawtooth is melted erosion by high-temp liquid easily, more aggravated this phenomenon.
Six, the molten iron temperature in the ladle is up to 1300-1500 ℃, liquid steel temperature in the steel ladle is up to 1500-1700 ℃, the high temperature gas flow of its generation certainly leads to more serious thermal shock to slag harrow shaft and driving box, causes the shortening in slag harrow shaft and driving box service life.Particularly slag harrow shaft demand motive two slags in slagging and self scarfing cinder are harrowed frequent bucketing, and the reaction torsion that is continued affects normal operation if be in for a long time under the hot environment with very fast generation fatigue deformation, until damage.
Therefore, although use this device for dragging dregs more traditional slagging-off equipment aspect operating efficiency to improve very large amplitude, but because the existence of defects, still can not satisfy steelmaking system to molten iron preliminary treatment drag for the requirement of slag operation operating efficiency, and then restricted to a great extent applying of it.
The utility model content
The utility model aims to provide a kind of new slag rake swinging dragveyer device, to overcome the defective of existing device for dragging dregs.Technical problem to be solved is, first, by changing setting and the working method of working arm, and reduce the driving force of working arm lifting and rock, improve the operating efficiency of rising or falling speed and dragveyer device; The second, guarantee that the slag rake remains level in lifting process, reach the purpose that further raising machine drags for slag efficient; Three, by increasing the slew gear of working arm, realize that its revolution drags for slag, slagging, increase the flexibility that the dragveyer device is arranged, satisfy better modern steel continuously, the requirement of efficient, low consumption, environmental protection; Four, the kind of drive that drives by improving the slag rake makes slag rake rotary motive power mechanism driving force larger, constructs compacter; Five, by improving the shape and structure of slag rake, make it have the higher slag efficient of dragging for.Six, by the water-cooled headstock is set, avoid from the high temperature gas flow of ladle the thermal shock that slag harrow shaft and headstock produce with auxiliary air cooling mechanism, remain the long-term work that they can be under effective operating temperature.Seven, adopt fire-resistant, coating against binding slags, improve the life-span of slag rake also so that the scarfing cinder of slag rake is easier, and guarantee that dragveyer can satisfy the requirement that the work rhythm of slag operation is dragged in the molten iron preliminary treatment fully.
The technical scheme that the utility model adopts is as follows:
A kind of slag rake swinging dragveyer device comprises main car body, and it is characterized in that: the front end at main car body is equipped with connecting rod by articulated manner respectively, principal arm and principal arm oil cylinder, and wherein the front end of principal arm oil cylinder and described principal arm are hinged; Comprise that also front end is equipped with the auxiliary of headstock, the front end of described connecting rod and principal arm is connected on this auxiliary by articulated manner respectively; The below of described headstock is provided with two slag harrow shafts arranged side by side that can be driven by this headstock rotation, and the lower end of each slag harrow shaft all is equipped with a slag rake; Described slag rake comprises slag rake main body, and slag rake main body is the container-like of upper end and a lateral opening; The surface of slag rake scribbles one deck high-temperature flame-proof, coating against binding slags.
Also comprise the secondary car body that is positioned at main car body below, between main car body and the secondary car body for being fixedly connected with mode, the connected mode that perhaps can rotate at secondary car body for main car body.
Secondary car body is with wheel.
Described headstock comprises casing, is provided with the gear that rotates for driving slag harrow shaft in the casing.
Be provided with water-cooling channel in the tank wall of described casing.
Described slag harrow shaft is with the up and down equal opening in two ends or upper end open and the centre bore of lower end closed; And the sidewall in close its lower end of slag harrow shaft offers several around the venthole of slag harrow shaft distribution.
Good effect of the present utility model is: compare with existing device for dragging dregs, the utlity model has following characteristics:
The first, principal arm is taken the slag rake and is swung up and down centered by pin joint thereafter, has reduced working arm and has driven power.On the other hand, in slag rake elevating movement process, although there are the motion of multiple direction in connecting rod, principal arm and auxiliary, the slag rake can remain the lifting under the level.Remain level owing to guaranteed the slag rake in lifting process, the lifting of harrowing at slag moves and drags in the slag operation process, more steadily, fast, has reached and has improved the purpose that machine drags for slag efficient.
The second, the utility model can realize turning round slagging, the dragveyer device is arranged more flexible, and can be implemented in " dragging for online slag " on the Molten Iron Transportation line, solved for many years always off-line scarfing cinder, production can not be continuous a difficult problem, for modern steel continuously, the production of efficient, low consumption, environmental protection provides new method.
Three, the driving mechanism of slag harrow shaft adopts the gear pair mode, and not only driving power increases, and compact conformation, and it is little to take up room, and drags for slag efficient and improves, and site layout project is better.
Four, the driving mechanism of slag harrow shaft adopts the structure of water-cooled and seal case, improving under equipment dependability and the prerequisite in life-span, guarantees that dust does not enter.
Five, the unique shape of slag rake has guaranteed that further the utility model machine has the higher slag efficient of dragging for.
Six, the working life of slag rake has not only been improved greatly with high-temperature flame-proof, coating against binding slags in slag rake surface, has also greatly alleviated the bonding slag rake tendency of dregs, guarantees normal, the efficient operation of dragveyer, and has alleviated the cleaning work amount of slag rake.
Seven, the upper end open place of compressed refrigerating gas from the slag harrow shaft centre bore passed into, blow out the annular air curtain of formation from venthole 5-2, the annular air curtain will blow off to the slag harrow shaft outside from molten iron (molten steel) high temperature gas flow bag, that move upward, effectively avoid the thermal shock that the headstock of slag harrow shaft and top thereof produced from the high temperature gas flow of ladle, thereby prolonged the service life of slag harrow shaft and headstock.When the other end of slag harrow shaft was designed to opening form, refrigerating gas passed into from the upper end open place of slag harrow shaft centre bore, and a part of gas flows out from the slit of slag harrow shaft and slag rake bearing pin, and slag rake bearing pin and the rake of slag on every side body thereof are played cooling effect.
Description of drawings
Fig. 1 is structure and the operation principle schematic diagram of the utility model embodiment.
Fig. 2 is the slag rake of the utility model embodiment and the structural representation of rotary motion mechanism thereof.
Fig. 3 is the internal structure schematic diagram of the utility model embodiment headstock.
Fig. 4 is the planform schematic diagram of the utility model embodiment slag rake.
Fig. 5 is the structural representation of water-cooling channel among the utility model embodiment seven.
Fig. 6 is the structural representation of slag harrow shaft among the utility model embodiment nine.Arrow among the figure represents the flow direction of refrigerating gas.
The specific embodiment
Agent structure of the present utility model is, it comprises main car body 1, by articulated manner connecting rod 2 is installed respectively at the front end of main car body 1, principal arm 7 and principal arm oil cylinder 8, and wherein the front end of principal arm oil cylinder 8 and described principal arm 7 are hinged.Comprise that also front end is equipped with the auxiliary 6 of headstock 3, the front end of described connecting rod 2 and principal arm 7 is connected on this auxiliary 6 by articulated manner respectively.The below of described headstock 3 is provided with two slag harrow shafts arranged side by side 5 that can be driven by this headstock 3 rotation, and the lower end of each slag harrow shaft 5 all is equipped with a slag rake 4.As shown in Figure 1 and Figure 2.
Wherein, principal arm oil cylinder 8 can be arranged in the below of principal arm 7, as shown in Figure 1, also can be arranged in the top of principal arm 7.
Embodiment one
On the basis of aforementioned body structure, present embodiment also comprises the secondary car body 10 that is positioned at main car body 1 below, between main car body 1 and the secondary car body 10 for being fixedly connected with mode.
Embodiment two
On the basis of aforementioned body structure, present embodiment also comprises the secondary car body 10 that is positioned at main car body 1 below, be provided with rotary support 9 between main car body 1 and the secondary car body 10, main car body 1 can rotate at secondary car body 10 by rotary support 9, drive the rotation centered by this rotary support 9 of slag rake by working arm, realize the revolution slagging, and be convenient to the attended operation of slag rake and equipment.
Embodiment three
On the basis of embodiment one, secondary car body 10 is realized the advance and retreat motion of the utility model machine also with wheel 10-1.
Embodiment four
On the basis of embodiment two, secondary car body 10 is realized the compound motion of advance and retreat motion and the rotation centered by this rotary support 9 of the utility model slag rake of the utility model machine also with wheel 10-1.
Embodiment five
On the basis of aforementioned body structure and embodiment two to four, headstock 3 of the present utility model can be designed as following form: it comprises casing 3-1, and the inside of casing 3-1 is provided with by hydraulic-driven or motor-driven driving gear 3-2 and the first driven gear 3-3 that is driven by driving gear 3-2, the second driven gear 3-4.Transition gear can also be set separately to satisfy the variable speed design requirement of gear pair, to obtain larger driving force between driving gear 3-2 and the first driven gear 3-3, the second driven gear 3-4.Driving gear 3-2 drives the first driven gear 3-3, and the first driven gear 3-3 drives the second driven gear 3-4.As shown in Figure 3.
The first driven gear 3-3 is connected with a slag harrow shaft 5, and the second driven gear 3-4 is connected with another root slag harrow shaft 5.Described fluid pressure drive device drives two slag harrow shaft 5 forwards or reverse rotation by described gear pair, and then drives two slags rake 4 and separate or close up.
Embodiment six
On the basis of aforementioned body structure and embodiment two to five, can be designed as following form at described slag rake 4: it comprises slag rake main body 4-1, slag rake main body 4-1 is the container-like of upper end and a lateral opening, such as the tetrahedral of upper end and a lateral opening; And be fixedly installed at the sidewall of slag rake main body 4-1 and connect bearing pin 4-2, described connection bearing pin 4-2 is connected with slag harrow shaft 5.Such as Fig. 2, shown in Figure 4.
When two slags rakes closed up, the side of described two slags rake contacted with each other, forms one only the container of upper end open for holding the dregs of gathering acquisition.
Can offer spout hole or overflow launder on the bottom of described slag rake main body 4-1 or sidewall, the band slag when reducing molten iron and flowing out improves and drags for slag efficient.
Embodiment seven
On the basis of aforementioned body structure and embodiment two to six, headstock 3 of the present utility model can be designed as following form:
As shown in Figure 5, be provided with water-cooling channel 3-1-1 in the tank wall of described casing 3-1, the two ends of this water-cooling channel 3-1-1 are respectively with water inlet tube head 3-1-3 and backwater tube head 3-1-2.During use, be connected with respectively water inlet pipe and return pipe by water inlet tube head 3-1-3 and backwater tube head 3-1-2, keep the circulation of cooling water in the water-cooling channel 3-1-1, headstock 3 internal implementations are lowered the temperature.
Embodiment eight
On the basis of aforementioned body structure and embodiment two to seven, the surface of slag rake 4 of the present utility model scribbles one deck high-temperature flame-proof, coating against binding slags, is " special coating for slag harrow for removing slag of iron and steel " of the Chinese utility model patent announcement of CN1803345 such as publication number.
Embodiment nine
Such as Fig. 6, on the basis of aforementioned body structure and embodiment two to eight, slag harrow shaft 5 of the present utility model is with the centre bore 5-1 of the equal opening in two ends up and down.Sidewall in slag harrow shaft 5 close its lower ends offers several venthole 5-2 that distributes around slag harrow shaft 5.Described upper end open is as air admission hole, and described venthole 5-2 is communicated with described centre bore 5-1 with ambient atmosphere.
During use, the upper end open place of compressed refrigerating gas from centre bore 5-1 passed in the centre bore 5-1.Compressed refrigerating gas blows out from venthole 5-2 and forms annular air curtain, described annular air curtain will blow off to slag harrow shaft 5 outsides from molten iron (molten steel) high temperature gas flow bag, that move upward, in order to avoid described high temperature gas flow is to the headstock 3 generation thermal shocks of slag harrow shaft 5 and top thereof.
The lower end of described centre bore 5-1 can be open, also can seal.If open, compressed refrigerating gas can blow out from the lower end of centre bore 5-1, is used for the connector between cooling slag harrow shaft 5 and the slag rake 4.
Claims (10)
1. a slag is harrowed swinging dragveyer device, comprise main car body (1), it is characterized in that: the front end at main car body (1) is equipped with connecting rod (2) by articulated manner respectively, principal arm (7) and principal arm oil cylinder (8), and wherein the front end of principal arm oil cylinder (8) and described principal arm (7) are hinged; Comprise that also front end is equipped with the auxiliary of headstock (3) (6), the front end of described connecting rod (2) and principal arm (7) is connected on this auxiliary (6) by articulated manner respectively; The below of described headstock (3) is provided with two slag harrow shafts arranged side by side (5) that can be driven by this headstock (3) rotation, and the lower end of each slag harrow shaft (5) all is equipped with a slag rake (4); Described slag rake (4) comprises slag rake main body (4-1), and slag rake main body (4-1) is the container-like of upper end and a lateral opening; The surface of slag rake (4) scribbles one deck high-temperature flame-proof, coating against binding slags.
2. slag as claimed in claim 1 is harrowed swinging dragveyer device, it is characterized in that: also comprise the secondary car body (10) that is positioned at main car body (1) below, for being fixedly connected with mode, perhaps be that main car body (1) can be in the connected mode of secondary car body (10) rotation between main car body (1) and the secondary car body (10).
3. slag as claimed in claim 2 is harrowed swinging dragveyer device, and it is characterized in that: secondary car body (10) is with wheel (10-1).
4. such as claim 1 or 2 or 3 described slag rake swinging dragveyer devices, it is characterized in that: described headstock (3) comprises casing (3-1), is provided with the gear that rotates for driving slag harrow shaft (5) in the casing (3-1).
5. such as claim 1 or 2 or 3 described slag rake swinging dragveyer devices, it is characterized in that: be provided with water-cooling channel (3-1-1) in the tank wall of described casing (3-1).
6. slag rake swinging dragveyer device as claimed in claim 4 is characterized in that: be provided with water-cooling channel (3-1-1) in the tank wall of described casing (3-1).
7. such as claim 1 or 2 or 3 described slags rake swinging dragveyer devices, it is characterized in that: described slag harrow shaft (5) is with the up and down equal opening in two ends or upper end open and the centre bore (5-1) of lower end closed; And the sidewall in close its lower end of slag harrow shaft (5) offers several around the venthole (5-2) of slag harrow shaft (5) distribution.
8. slag as claimed in claim 4 rake swinging dragveyer device is characterized in that: described slag harrow shaft (5) is with the up and down equal opening in two ends or upper end open and the centre bore (5-1) of lower end closed; And the sidewall in close its lower end of slag harrow shaft (5) offers several around the venthole (5-2) of slag harrow shaft (5) distribution.
9. slag as claimed in claim 5 rake swinging dragveyer device is characterized in that: described slag harrow shaft (5) is with the up and down equal opening in two ends or upper end open and the centre bore (5-1) of lower end closed; And the sidewall in close its lower end of slag harrow shaft (5) offers several around the venthole (5-2) of slag harrow shaft (5) distribution.
10. slag as claimed in claim 6 rake swinging dragveyer device is characterized in that: described slag harrow shaft (5) is with the up and down equal opening in two ends or upper end open and the centre bore (5-1) of lower end closed; And the sidewall in close its lower end of slag harrow shaft (5) offers several around the venthole (5-2) of slag harrow shaft (5) distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326485 CN202715820U (en) | 2012-07-07 | 2012-07-07 | Slag rake rotary slag-salvaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326485 CN202715820U (en) | 2012-07-07 | 2012-07-07 | Slag rake rotary slag-salvaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715820U true CN202715820U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220326485 Expired - Lifetime CN202715820U (en) | 2012-07-07 | 2012-07-07 | Slag rake rotary slag-salvaging machine |
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| Country | Link |
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| CN (1) | CN202715820U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717059A (en) * | 2012-07-07 | 2012-10-10 | 盛富春 | Dross salvaging machine with rotary type dross rakes |
| WO2019037796A1 (en) * | 2017-08-21 | 2019-02-28 | 烟台盛利达工程技术有限公司 | Rotary slag removing apparatus |
| WO2019128488A1 (en) * | 2017-12-29 | 2019-07-04 | 烟台盛利达工程技术有限公司 | Combined slag removal mechanism and slag cleaning method |
-
2012
- 2012-07-07 CN CN 201220326485 patent/CN202715820U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717059A (en) * | 2012-07-07 | 2012-10-10 | 盛富春 | Dross salvaging machine with rotary type dross rakes |
| CN102717059B (en) * | 2012-07-07 | 2013-09-11 | 盛富春 | Dross salvaging machine with rotary type dross rakes |
| WO2019037796A1 (en) * | 2017-08-21 | 2019-02-28 | 烟台盛利达工程技术有限公司 | Rotary slag removing apparatus |
| WO2019128488A1 (en) * | 2017-12-29 | 2019-07-04 | 烟台盛利达工程技术有限公司 | Combined slag removal mechanism and slag cleaning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20130911 |
|
| RGAV | Abandon patent right to avoid regrant |