CN209412252U - A kind of long-life environment-friendly type blast furnace slag iron runner structure - Google Patents
A kind of long-life environment-friendly type blast furnace slag iron runner structure Download PDFInfo
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- CN209412252U CN209412252U CN201822067202.4U CN201822067202U CN209412252U CN 209412252 U CN209412252 U CN 209412252U CN 201822067202 U CN201822067202 U CN 201822067202U CN 209412252 U CN209412252 U CN 209412252U
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- slag iron
- ditch
- trench cover
- blast furnace
- castable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a kind of long-life environment-friendly type blast furnace slag iron runner structures, including slag iron ditch and for closing the muti-piece slag iron trench cover at the top of slag iron ditch；The cross section of the slag iron trench cover is isosceles trapezoid, and top margin side length is greater than bottom edge side length；Ditch body two sides have the shape matched with slag iron trench cover, and the inside of the trapezium structure is equipped with the steel panel of integral type.The utility model uses the slag iron trench cover with trapezoid cross section to match with slag iron ditch, and set integrated steel panel, slag iron trench cover and slag iron ditch are all made of high temperature resistant castable with the position that molten iron hot gas directly contacts, it is filled using heat resistance fiber slag iron ditch end face, to guarantee that slag iron trench cover and the cooperation of slag iron ditch are tight, and the surface temperature of slag iron trench cover is effectively reduced, prevents it because of high temperature deformation, high full performance and environmental-protecting performance are improved while prolonging the service life.
Description
Technical field
The utility model relates to a kind of slag iron ditch more particularly to a kind of long-life environment-friendly type blast furnace slag iron runner structures.
Background technique
The flow channel of high temperature liquid iron and slag when blast furnace slag iron runner is tapping, in process of production slag iron ditch working environment
Badly, frequently washing away and corroding such as high temperature liquid iron and slag, the violent thermal shock effect and the corruption of high-temperature flue gas of intermittent tapping
Erosion effect, therefore the edge of slag iron ditch is easier to damage.In addition as shown in Figure 1, existing slag iron trench cover 1 generally use it is rectangular
Body structure, two sides ride upon at the lower bank of slag iron ditch ditch body 2；The outside of slag iron hook cover board 1 sets outer steel shell, and inside sets reinforcement
Muscle and anchor studs are poured using common High-Alumina Low Cement Castable, set ditch respectively at the upper bank of slag iron ditch and lower bank
Along backplate 3 and lower bank backplate 4 (being made of angle steel), the step of lower bank is poured by common castable refractory.When in use,
There are the following problems:
1) it is poured due to existing slag iron trench cover using common High-Alumina Low Cement Castable, heat-proof quality one
As, cause lid surface temperature higher, reduces the service life of slag iron trench cover；
2) due to must be there are expansion joint between adjacent two pieces of slag iron trench covers, and the end of existing slag iron trench cover be only used
Vertical steel plate directly blocks, which easily causes slag iron operculum colpi plate end face scaling loss, together by the flame hot gas direct baking of molten iron
When be also cause lid surface temperature increase the main reason for, eventually lead to and cause slag iron trench cover reduced service life；
3) it supports and is protected at the lower bank of slag iron trench cover using lower bank backplate, easy scaling loss, which collapses, at this causes slag iron
Trench cover tilts rake angle, and molten iron hot gas is caused to be altered on slag iron ditch edge to transferring heat to slag iron operculum colpi plate surface,
To make slag iron trench cover surface temperature increase, be easily deformed, the service life of slag iron trench cover further reduced；
4) after the temperature distortion of slag iron trench cover, molten iron hot gas and flame leak from gap, lead to environmental pollution and safety
Hidden danger, while influencing hot-metal insulating.
Summary of the invention
The utility model provides a kind of long-life environment-friendly type blast furnace slag iron runner structure, using the slag iron with trapezoid cross section
Trench cover is matched with slag iron ditch, and sets integrated steel panel, and slag iron trench cover and slag iron ditch are directly contacted with molten iron hot gas
Position be all made of high temperature resistant castable, slag iron ditch end face is filled using heat resistance fiber, to guarantee slag iron trench cover and slag iron
Ditch cooperation is tight, and the surface temperature of slag iron trench cover is effectively reduced, and prevents it because of high temperature deformation, what is prolonged the service life is same
The full performance of Shi Tigao high and environmental-protecting performance.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of long-life environment-friendly type blast furnace slag iron runner structure, including slag iron ditch and for closing the muti-piece slag at the top of slag iron ditch
Iron runner cover plate；Fire resisting ditch material of the slag iron ditch by ditch body and set on ditch body bottom forms, and opens up at the top of fire resisting ditch material with U
The slag iron runner of shape cross section；The slag iron trench cover is made of cover board body and cover board castable；The slag iron trench cover
Cross section is isosceles trapezoid, and top margin side length is greater than bottom edge side length；Ditch body two sides have the shape matched with slag iron trench cover,
And the inside of the trapezium structure is equipped with the steel panel of integral type.
The ditch body is concrete structure, is equipped with upper edge and lower edge, upper edge and lower edge at ditch body and the cooperation of slag iron trench cover
It is connected by inclined-plane；Steel panel is made of sequentially connected upper horizontal sheeting, inclined plate and lower horizontal sheeting, and upper horizontal sheeting load is set
In Shang Yanchu, lower horizontal sheeting load is located at lower edge, and steel panel is in close contact with ditch body and is fixed by steel mesh and built-in fitting
Connection；The both ends cross-arm of slag iron trench cover is on lower horizontal sheeting.
The ditch body uses refractory concrete castable pouring molding close to steel panel side, and other parts are using common
Concreting or fire resisting brick masonry.
The waist of the isosceles trapezoid and horizontal angle are 45 °~80 °.
Longitudinal both ends of the slag iron trench cover are ladder-type structure, which is formed by cover board castable；Phase
The expansion joint of lower part and the enclosed slot on top is collectively formed in ladder-type structure between adjacent 2 pieces of slag iron trench covers, fills out in enclosed slot
Refractory fibre is filled, sets steel plate strip on refractory fibre.
The cover board body of the slag iron trench cover is made of top plate, transverse vertical plate and longitudinal vertical plate, the top quadrangle difference of top plate
If hidden lifting lug, the bottom of top plate forms fenestral fabric by multiple tracks transverse vertical plate and multiple tracks longitudinal vertical plate, distinguishes in each grid
Longitudinal and transverse to be alternately equipped with multiple V-arrangement anchoring pieces and steel mesh, cover board castable is fixed on top by V-arrangement anchoring piece and steel mesh
Below plate.
The cover board castable is multi-layer compound structure, by 1 to multilayer high-temperature fibre and 1 to multilayer refractory concrete
Castable composition.
There is 1~2 piece to be equipped with gas toast pipe preformed hole in slag iron trench cover on the slag iron ditch, by reserving stopple
Closing.
The preformed hole and reserved stopple are the truncated cone-shaped matched, and the upper end diameter for reserving stopple is greater than lower end diameter,
The angle of side and horizontal plane is 60 °~80 °；Stopple is reserved by round plate, column, branch shape anchoring piece and stopple castable group
Set lifting hole(eyelet) at, the top center of round plate, bottom centre sets up column, column along it is high to be circumferentially with multiple shape anchoring pieces,
Stopple castable is connect by branch shape anchoring piece with column.
The stopple castable is refractory concrete castable.
Compared with prior art, the utility model has the beneficial effects that
1) structure improvement is carried out to the bank part of slag iron ditch and slag iron trench cover, by the cross-sectional shape of slag iron trench cover
It is changed to trapezoidal, upper bank backplate and lower bank backplate is changed to the steel panel of the integral type of stepped construction, steel panel reinforcing bar
Net and built-in fitting positioning, then poured with refractory concrete, effectively prevent the adverse consequences that bank collapses；
2) slag iron trench cover uses trapezoid cross section wide at the top and narrow at the bottom, has automatic centering positioning function, reduces slag iron ditch
Gap between cover board and slag iron ditch, closure is good, and integral platform is beautiful and generous；Slag iron trench cover is easy for installation, can be avoided
It is stuck in slag iron ditch because of expanded by heating；
3) end face of slag iron trench cover is changed to refractory material plugging structure by existing steel plate plugging structure, avoids slag iron
Flame in ditch directly comes into contact in a large area steel plate, the conduction of effective trap heat；Gap between adjacent slag iron trench cover is with resistance to
Thermal fiber blocks, and thoroughly encloses the gap between cover board, effectively prevents emerging for flame and flue gas, i.e., safety and environmental protection can be kept away again
Exempt from slag iron trench cover because of surface temperature distortion, substantially prolongs the service life of slag iron trench cover.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing slag iron ditch and slag iron trench cover.
Fig. 2 is a kind of top view of long-life environment-friendly type blast furnace slag iron runner structure described in the utility model.
Fig. 3 is the A-A view in Fig. 2.
Fig. 4 is the B-B view in Fig. 2.
Fig. 5 is I enlarged drawing in Fig. 4.
Fig. 6 is II enlarged drawing in Fig. 4.
Fig. 7 is the E direction view in Fig. 6.
Fig. 8 is the bottom view of slag iron trench cover described in the utility model.
Fig. 9 is the C-C view in Fig. 8.
Figure 10 is the D-D view in Fig. 8.
Figure 11 is the plane distribution schematic diagram of V-arrangement anchoring piece in slag iron trench cover described in the utility model.
In figure: the lower 5. fire resisting ditch material 6. of bank backplate of bank backplate 4. on 1. original 2. ditch bodies 3. of slag iron trench cover
7. 71. top plate of slag iron trench cover described in the utility model, 72. transverse vertical plate, 73. longitudinal vertical plate of molten iron, 74. steel mesh 75.V shape
8. steel panel of anchoring piece, 9. refractory concrete castable, 10. hidden lifting lug 11. reserves 111. round plate of stopple
112. 113. column of lifting hole(eyelet), 114. 12. refractory fibre of shape anchoring piece, 13. steel plate strips
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
As shown in Figure 2, Figure 3, Figure 4, a kind of long-life environment-friendly type blast furnace slag iron runner structure described in the utility model, including slag
Iron runner and for closing the muti-piece slag iron trench cover 7 at the top of slag iron ditch；The slag iron ditch is by ditch body 2 and set on 2 bottom of ditch body
Fire resisting ditch material 5 forms, and the top of fire resisting ditch material 5 opens up the slag iron runner with V-arrangement cross section；The slag iron trench cover 7 is by covering
Plate ontology and cover board castable composition；The cross section of the slag iron trench cover 7 is isosceles trapezoid, and top margin side length is greater than bottom edge side
It is long；2 two sides of ditch body have the shape matched with slag iron trench cover 7, and the inside of the trapezium structure is equipped with the steel shield of integral type
Plate 8.
As shown in figure 3, the ditch body 2 is concrete structure, be equipped at ditch body 2 and 7 cooperation of slag iron trench cover upper edge and under
Edge, upper edge are connected with lower edge by inclined-plane；Steel panel 8 is made of sequentially connected upper horizontal sheeting, inclined plate and lower horizontal sheeting,
Upper horizontal sheeting load is located at, and lower horizontal sheeting load is located at lower edge, and steel panel 8 and ditch body 2 are in close contact and pass through steel
Muscle net and built-in fitting are fixedly connected；The both ends cross-arm of slag iron trench cover 7 is on lower horizontal sheeting.
The ditch body 2 uses 9 pouring molding of refractory concrete castable close to 8 side of steel panel, and other parts use
Normal concrete pours or fire resisting brick masonry.
The waist of the isosceles trapezoid and horizontal angle are 45 °~80 °.
As shown in figure 5, longitudinal both ends of the slag iron trench cover 7 are ladder-type structure, which is poured by cover board
Material feeding is formed；The closing at the expansion joint and top of lower part is collectively formed in ladder-type structure between adjacent 2 pieces of slag iron trench covers 7
Slot fills refractory fibre 12 in enclosed slot, sets steel plate strip 13 on refractory fibre 12.
As illustrated in figs. 8-11, the cover board body of the slag iron trench cover 7 is by top plate 71, transverse vertical plate 72 and 73 groups of longitudinal vertical plate
At the top quadrangle of top plate 71 sets hidden lifting lug 10 respectively, and the bottom of top plate 71 is by multiple tracks transverse vertical plate 72 and multiple tracks longitudinal vertical plate
73 form fenestral fabrics, distinguish in each grid longitudinal and transverse alternately equipped with multiple V-arrangement anchoring pieces 75 and steel mesh 74, cover board
Castable is fixed on 71 lower section of top plate by V-arrangement anchoring piece 75 and steel mesh 74.
The cover board castable is multi-layer compound structure, by 1 to multilayer high-temperature fibre and 1 to multilayer refractory concrete
Castable composition.
As shown in figure 4, there is 1~2 piece to be equipped with gas toast pipe preformed hole in slag iron trench cover 7 on the slag iron ditch,
It is closed by reserved stopple 11.
As shown in Figure 6, Figure 7, the preformed hole and reserved stopple 11 are the truncated cone-shaped matched, reserve the upper end of stopple 11
Diameter is greater than lower end diameter, and the angle of side and horizontal plane is 60 °~80 °；Reserved stopple 11 by round plate 111, column 113,
Branch shape anchoring piece 114 and stopple castable composition, the top center of round plate 111 set lifting hole(eyelet) 112, and bottom centre sets up column 113,
Column 113 along height to be circumferentially with multiple shape anchoring pieces 114, stopple castable passes through branch shape anchoring piece 114 and column 113
Connection.
The stopple castable is refractory concrete castable.
Following table is slag iron ditch structure described in the utility model and existing conventional slag iron runner structure and performance comparison table:
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its design is subject to equivalent substitution or change, should be covered within the scope of the utility model.
Claims (10)
1. a kind of long-life environment-friendly type blast furnace slag iron runner structure, including slag iron ditch and for closing the muti-piece slag iron at the top of slag iron ditch
Trench cover；Fire resisting ditch material of the slag iron ditch by ditch body and set on ditch body bottom forms, and opens up at the top of fire resisting ditch material with U-shaped
The slag iron runner of cross section；The slag iron trench cover is made of cover board body and cover board castable；It is characterized in that, the slag iron
The cross section of trench cover is isosceles trapezoid, and top margin side length is greater than bottom edge side length；Ditch body two sides have to match with slag iron trench cover
The shape of conjunction, and the inside of the trapezium structure is equipped with the steel panel of integral type.
2. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 1, which is characterized in that the ditch body is
Upper edge and lower edge are equipped at concrete structure, ditch body and the cooperation of slag iron trench cover, upper edge is connected with lower edge by inclined-plane；Steel panel
It is made of sequentially connected upper horizontal sheeting, inclined plate and lower horizontal sheeting, upper horizontal sheeting load is located at, lower horizontal sheeting
Load is located at lower edge, and steel panel is in close contact with ditch body and is fixedly connected by steel mesh and built-in fitting；The two of slag iron trench cover
Hold cross-arm on lower horizontal sheeting.
3. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 1 or 2, which is characterized in that the ditch
Body uses refractory concrete castable pouring molding close to steel panel side, and other parts are poured or resistance to using normal concrete
Firebrick is built.
4. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 1, which is characterized in that the isosceles ladder
The waist of shape and horizontal angle are 45 °~80 °.
5. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 1, which is characterized in that the slag iron ditch
Longitudinal both ends of cover board are ladder-type structure, which is formed by cover board castable；Between adjacent 2 pieces of slag iron trench covers
Ladder-type structure the expansion joint of lower part and the enclosed slot on top is collectively formed, fill refractory fibre, refractory fibre in enclosed slot
On set steel plate strip.
6. a kind of long-life environment-friendly type blast furnace slag iron runner structure described according to claim 1 or 2 or 5, which is characterized in that described
The cover board body of slag iron trench cover is made of top plate, transverse vertical plate and longitudinal vertical plate, and the top quadrangle of top plate sets hidden lifting lug respectively,
The bottom of top plate forms fenestral fabric by multiple tracks transverse vertical plate and multiple tracks longitudinal vertical plate, longitudinal and transverse respectively in each grid alternately to set
There are multiple V-arrangement anchoring pieces and steel mesh, cover board castable is fixed below top plate by V-arrangement anchoring piece and steel mesh.
7. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 6, which is characterized in that the cover board pours
Material feeding is multi-layer compound structure, is formed by 1 to multilayer high-temperature fibre and 1 to multilayer refractory concrete castable.
8. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 1, which is characterized in that the slag iron ditch
On slag iron trench cover in there is 1~2 piece to be equipped with gas toast pipe preformed hole, pass through reserved stopple closing.
9. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 8, which is characterized in that the preformed hole
It is the truncated cone-shaped matched with reserved stopple, the upper end diameter for reserving stopple is greater than lower end diameter, the angle of side and horizontal plane
It is 60 °~80 °；Reserved stopple is made of round plate, column, branch shape anchoring piece and stopple castable, the top center of round plate
If lifting hole(eyelet), bottom centre sets up column, column along it is high to be circumferentially with multiple shape anchoring pieces, stopple castable passes through branch shape anchor
Firmware is connect with column.
10. a kind of long-life environment-friendly type blast furnace slag iron runner structure according to claim 9, which is characterized in that the stopple
Castable is refractory concrete castable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067202.4U CN209412252U (en) | 2018-12-10 | 2018-12-10 | A kind of long-life environment-friendly type blast furnace slag iron runner structure |
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| CN201822067202.4U CN209412252U (en) | 2018-12-10 | 2018-12-10 | A kind of long-life environment-friendly type blast furnace slag iron runner structure |
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| CN209412252U true CN209412252U (en) | 2019-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809522A (en) * | 2022-06-24 | 2022-07-29 | 北京联合荣大工程材料股份有限公司 | Construction method of cast-iron site terrace |
-
2018
- 2018-12-10 CN CN201822067202.4U patent/CN209412252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809522A (en) * | 2022-06-24 | 2022-07-29 | 北京联合荣大工程材料股份有限公司 | Construction method of cast-iron site terrace |
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