CN211112058U - Long-life converter liquid steel slag retaining wall - Google Patents
Long-life converter liquid steel slag retaining wall Download PDFInfo
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- CN211112058U CN211112058U CN201921833780.2U CN201921833780U CN211112058U CN 211112058 U CN211112058 U CN 211112058U CN 201921833780 U CN201921833780 U CN 201921833780U CN 211112058 U CN211112058 U CN 211112058U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
A long-life liquid steel slag retaining wall of a converter belongs to the technical field of converter steel slag treatment facilities and is used for placing converter steel slag. The technical scheme is as follows: the wall body of reinforced concrete wall body encircles hot splashing slag pool, and polylith steel sheet built-in fitting is pour on one side wall body surface towards hot splashing slag pool of reinforced concrete wall body, and many steel rails encircle hot splashing slag pool order vertical arrangement along the wall body of reinforced concrete wall body, and the bottom surface of many steel rails respectively with the steel sheet built-in fitting welded connection on the wall body surface of reinforced concrete wall body, polylith cast steel sheet and connect respectively between adjacent steel rail. The utility model discloses rational in infrastructure has waterproof, high temperature resistant, shock-resistant comprehensive properties, can stand about 1000 ℃ for a long time the chemical attack that slag, steam-water mixture and water and slag hydration reaction material produced, also can bear loader to a certain extent to the wall body collide with, bump, hit the effect, can realize non-maintaining, the life-span can not be less than 15 years, has improved the economic benefits of enterprise.
Description
Technical Field
The utility model relates to a place slag barricade in hot splashing slag pond of converter slag belongs to converter slag processing facility technical field.
Background
The steel slag hot splashing process includes spraying water to steel slag at 200-1300 deg.c, utilizing afterheat to produce supersaturated steam, hydrating reaction with f-CaO and f-MgO, volume expansion and pulverization, CaO hydration volume expansion 97.8%, MgO hydration volume expansion 148%, and steel slag pulverization to separate steel from slag naturally.
The converter steel slag is transported to a steel slag hot splashing treatment line by a cross-over vehicle, a bridge crane lifts a slag pot to tip the hot-melt steel slag to a hot splashing slag pool, a small amount of water is sprayed for cooling after one pot is tipped each time, the steel slag is properly loosened, after the hot splashing pool is filled with the steel slag, water pipes on two sides of each hot splashing pool are opened to pour water and hot splashing, and the hot splashing water amount and time are carried out according to the regulation requirements. After the hot splashing of the steel slag is finished, the pulverized steel slag in the pool is grabbed and transported to a steel slag transportation dump truck by a loader and is pulled to a screening, crushing and magnetic separation production line.
Retaining walls are arranged on three sides of the hot splashing slag pool and are constructed by adopting C30 impervious heat-resistant concrete. In production and use, the concrete retaining wall is easy to damage due to the long-term action of high-temperature liquid steel slag and gas-water. In production and use, the concrete retaining wall cracks can appear at first, the reinforcing steel bar protective layer of the concrete retaining wall slowly falls off, the retaining wall becomes thinner and the strength is reduced gradually, and the retaining wall is required to be dismantled and rebuilt again in 3 to 5 years generally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a long-life converter liquid steel slag barricade is provided, this kind of steel slag barricade can stand the high temperature and the chemical attack of high temperature slag for a long time to can bear the loader and to knocking, bumping, hitting of wall body in the work effect, have impervious waterproof and heat-resisting high strength dual characteristic, can realize long-life, non-maintaining.
The technical scheme for solving the technical problems is as follows:
the utility model provides a converter liquid slag barricade of long-life, it includes concrete structure main part and steel protective structure, concrete structure main part is upright reinforced concrete wall body, reinforced concrete wall body's wall body encircles hot application slag bath, reinforced concrete wall body's lower extreme has horizontal base, horizontal base is connected with the bottom of the pool in hot application slag bath, steel protective structure includes the steel sheet built-in fitting, the rail, cast the steel sheet, polylith steel sheet built-in fitting is pour on one side wall surface towards hot application slag bath at reinforced concrete wall body, many rails encircle hot application slag bath order vertical arrangement along reinforced concrete wall body's wall body, the bottom surface of many rails respectively with reinforced concrete wall body's wall surface steel sheet built-in fitting welded connection, polylith cast the steel sheet and connect between adjacent rail respectively.
According to the long-life converter liquid steel slag retaining wall, the plurality of steel plate embedded parts are arranged discontinuously in the longitudinal and transverse directions on the surface of the wall body of the reinforced concrete wall, the transverse distance of the steel plate embedded parts is not more than 1 meter, and the longitudinal distance of the steel plate embedded parts is not more than 0.6 meter.
According to the long-life converter liquid steel slag retaining wall, the steel plate embedded part and the steel rail are welded through the pressing plate, the lower portion of the pressing plate is in welded connection with the steel plate embedded part, the upper portion of the pressing plate is pressed on the surface of the rail seat on the lower portion of the steel rail, and the pressing plate is in welded connection with the steel rail.
Above-mentioned long-life converter liquid slag barricade, the below welding position piece of rail upper portion rail face, the locating piece is along the length direction of rail, and the locating piece is for leading to long and being interrupted the welding on rail length direction, and the locating piece is located the both sides of the rail body respectively, and rail body both sides are respectively with the perpendicular welding in side of two locating pieces, and the upper surface of locating piece is parallel with rail face lower surface and gapped, and the clearance and the cast steel plate thickness phase-match of locating piece and rail face below cast steel plate, and the cast steel plate is inserted in the clearance of locating piece and rail face lower surface.
According to the long-life converter liquid steel slag retaining wall, the cast steel plate is a nodular cast iron steel plate, the width of the cast steel plate is matched with the distance between two adjacent steel rails of the wall body of the reinforced concrete wall body, the length of the cast steel plate is matched with the height of the wall body of the reinforced concrete wall body, and the thickness of the cast steel plate is 20-30 mm.
The utility model has the advantages that:
the utility model discloses a converter liquid slag barricade wall body adopts concrete steel composite construction, and concrete structure main part is upright reinforced concrete wall body on the one hand, possesses high strength, impervious waterproof performance, and on the other hand steel protective structure comprises rail and nodular cast iron steel sheet, possesses high temperature resistant, resistant colliding with, shock resistance, and slag barricade wholeness can be reliable, the life-span is high, non-maintaining.
The utility model discloses rational in infrastructure, have waterproof, high temperature resistant, shock-resistant comprehensive properties, can stand about 1000 ℃ for a long time the chemical attack that slag, steam-water mixture and water and slag hydration reaction substance produced, also can bear loader to a certain extent to the wall body collide with, bump, hit the effect, can realize that the compound slagger wall of concrete steel is once only invested in and is reached non-maintaining, long-life, and the life-span can not be less than 15 years, has improved the economic benefits of enterprise.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a partial view of FIG. 1;
fig. 3 is a schematic view of the usage state of the present invention.
The figures are labeled as follows: the steel reinforced concrete hot pouring device comprises a reinforced concrete wall body 1, a horizontal base 2, a steel plate embedded part 3, a steel rail 4, a cast steel plate 5, a pressing plate 6, a positioning block 7, a hot splashing slag pool 8, a pool bottom 9 and steel slag 10.
Detailed Description
The utility model discloses a concrete structure main part and steel protective structure, concrete structure main part comprises reinforced concrete wall body 1 and horizontal base 2, and steel protective structure comprises steel sheet built-in fitting 3, rail 4, cast steel sheet 5, clamp plate 6, locating piece 7.
The figure shows that a reinforced concrete wall body 1 is vertical, the wall body of the reinforced concrete wall body 1 surrounds a hot splashing slag pool 8, a horizontal base 2 is arranged at the lower end of the reinforced concrete wall body 1, and the horizontal base 2 is connected with the pool bottom 9 of the hot splashing slag pool 8.
The drawing shows that the steel protection structure is formed by pouring a plurality of steel plate embedded parts 3 on the surface of a wall body wall facing a hot splashing slag pool 8 of a reinforced concrete wall body 1, the steel plate embedded parts 3 are arranged discontinuously in the longitudinal and transverse directions of the wall body wall surface of the reinforced concrete wall body 1, the transverse distance between the steel plate embedded parts 3 is not more than 1 meter, and the longitudinal distance is not more than 0.6 meter.
The figure shows that a plurality of steel rails 4 are vertically arranged around a hot slag splashing pool 8 along the wall body of the reinforced concrete wall body 1 in sequence. The section of the steel rail 4 is I-shaped, the upper part of the I-shaped is a rail surface, the middle part is a rail body, and the lower part is a rail seat. And when the steel rails 4 are connected with the steel plate embedded parts 3 on the surface of the wall body of the reinforced concrete wall body 1, the pressing plates 6 are adopted for welding connection. The lower part of the pressing plate 6 is welded with the steel plate embedded part 3, the upper part of the pressing plate 6 is pressed on the surface of a rail seat at the lower part of the steel rail 4, and the pressing plate 6 is welded with the rail seat of the steel rail 4. The selection range of the steel rail 4 is QU70-QU120 hoisting steel rail
The connection of the cast steel plate 5 to the rail 4 is shown in the figure in the form of a plug-in connection. And a positioning block 7 is welded below the upper rail surface of the steel rail 4, the positioning block 7 is welded along the length direction of the steel rail 4, and the positioning block 7 is welded in a full-length and discontinuous mode in the length direction of the steel rail 4. Since the steel casting plates 5 are attached to both sides of the rail 4, the positioning blocks 7 need to be welded to both sides of the rail 4. The positioning blocks 7 are respectively positioned on two sides of the rail body of the steel rail 4, and two sides of the rail body of the steel rail 4 are respectively and vertically welded with the side surfaces of the two positioning blocks 7. In order to place the cast steel plate 5 between the positioning block 7 and the rail surface of the steel rail 4, the upper surface of the positioning block 7 is parallel to the lower surface of the rail surface of the steel rail 4, a gap is reserved between the positioning block 7 and the lower surface of the rail surface of the steel rail 4, the gap between the positioning block 7 and the lower surface of the rail surface of the steel rail 4 is matched with the thickness of the cast steel plate 5, the cast steel plate 5 is inserted into the gap between the positioning block 7 and the lower surface of the rail surface of. The advantage of the splicing connection is that the cast steel plates 5 can be conveniently taken out from between the rails 4 after long-term corrosion and impact damage, and replaced by new cast steel plates 5.
The figure shows that the cast steel plate 5 is a nodular cast iron steel plate, the width of the cast steel plate 5 is matched with the distance between two adjacent steel rails 4 of the wall body of the reinforced concrete wall body 1, the length of the cast steel plate 5 is matched with the height of the wall body of the reinforced concrete wall body 1, and the thickness of the cast steel plate 5 is 20-30 mm.
The utility model discloses an embodiment as follows:
the reinforced concrete wall 1 is made of C30 impervious concrete, the height of the reinforced concrete wall 1 is 6m, the thickness of the lower end is 0.8m, and the thickness of the upper end is 0.4 m;
the width of the horizontal base 2 is 4.5m, and the height is 0.7 m;
the length of the steel plate embedded part 3 is 600mm, the width is 300mm, and the thickness is 20 mm;
the steel rail 4 is a U71Mn steel rail;
the length of the pressing plate 6 is 150mm, the width is 40mm, and the thickness is 20 mm;
the cast steel plate 5 is a nodular cast iron steel plate, the width of the cast steel plate is 1000mm, the thickness of the cast steel plate is 30mm, and the length of the cast steel plate is set along the whole height of the wall body;
the positioning block 7 is 600mm long, 30mm wide and 20mm thick.
Claims (5)
1. The utility model provides a converter liquid steel slag barricade of long-life which characterized in that: the concrete structure comprises a concrete structure main body and a steel protection structure, wherein the concrete structure main body is an upright reinforced concrete wall body (1), the wall body of the reinforced concrete wall body (1) surrounds a hot splashing slag pool (8), a horizontal base (2) is arranged at the lower end of the reinforced concrete wall body (1), the horizontal base (2) is connected with the pool bottom (9) of the hot splashing slag pool (8), the steel protection structure comprises a steel plate embedded part (3) and a steel rail (4), cast steel plate (5), one side wall surface towards hot splashing slag bath (8) of reinforced concrete wall body (1) is pour in polylith steel sheet built-in fitting (3), many rail (4) encircle hot splashing slag bath (8) order vertical arrangement along the wall body of reinforced concrete wall body (1), the bottom surface of many rail (4) respectively with steel sheet built-in fitting (3) welded connection on the wall body surface of reinforced concrete wall body (1), polylith cast steel sheet (5) is connected respectively between adjacent rail (4).
2. The long-life retaining wall made of liquid steel slag of converter according to claim 1, wherein: the steel plate embedded parts (3) are discontinuously arranged on the surface of the wall body wall of the reinforced concrete wall body (1) in the longitudinal and transverse directions, the transverse distance between every two adjacent steel plate embedded parts (3) is not more than 1 meter, and the longitudinal distance is not more than 0.6 meter.
3. The long-life retaining wall made of liquid steel slag of converter according to claim 1, wherein: the steel plate embedded part (3) and the steel rail (4) are welded through the pressing plate (6), the lower portion of the pressing plate (6) is in welded connection with the steel plate embedded part (3), the upper portion of the pressing plate (6) is pressed on the surface of a rail seat on the lower portion of the steel rail (4), and the pressing plate (6) is in welded connection with the steel rail (4).
4. The long-life retaining wall made of liquid steel slag of converter according to claim 1, wherein: the steel rail is characterized in that positioning blocks (7) are welded below the upper rail surface of the steel rail (4), the positioning blocks (7) are arranged along the length direction of the steel rail (4), the positioning blocks (7) are welded on the length direction of the steel rail (4) in a full-length mode and in a discontinuous mode, the positioning blocks (7) are respectively arranged on two sides of the rail body of the steel rail (4), two sides of the rail body of the steel rail (4) are respectively welded with the side faces of the two positioning blocks (7) in a perpendicular mode, the upper surface of the positioning blocks (7) is parallel to the lower surface of the rail surface of the steel rail (4) and has a gap, the gap between the positioning blocks (7) and the lower surface of the rail surface of the steel rail (4) is matched with the thickness of the cast steel plate (5), the cast steel plate (5) is inserted into the gap between.
5. The long-life retaining wall made of liquid steel slag of converter according to claim 1, wherein: the cast steel plate (5) is a nodular cast iron steel plate, the width of the cast steel plate (5) is matched with the distance between two adjacent steel rails (4) of the wall body of the reinforced concrete wall body (1), the length of the cast steel plate (5) is matched with the height of the wall body of the reinforced concrete wall body (1), and the thickness of the cast steel plate (5) is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833780.2U CN211112058U (en) | 2019-10-29 | 2019-10-29 | Long-life converter liquid steel slag retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833780.2U CN211112058U (en) | 2019-10-29 | 2019-10-29 | Long-life converter liquid steel slag retaining wall |
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| Publication Number | Publication Date |
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| CN211112058U true CN211112058U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921833780.2U Active CN211112058U (en) | 2019-10-29 | 2019-10-29 | Long-life converter liquid steel slag retaining wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714105A (en) * | 2019-10-29 | 2020-01-21 | 宣化钢铁集团有限责任公司 | Long-life converter liquid steel slag retaining wall |
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2019
- 2019-10-29 CN CN201921833780.2U patent/CN211112058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714105A (en) * | 2019-10-29 | 2020-01-21 | 宣化钢铁集团有限责任公司 | Long-life converter liquid steel slag retaining wall |
| CN110714105B (en) * | 2019-10-29 | 2024-03-01 | 宣化钢铁集团有限责任公司 | Liquid steel slag retaining wall of converter with long service life |
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