CN217551150U - Environment-friendly heat-preservation ladle - Google Patents
Environment-friendly heat-preservation ladle Download PDFInfo
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- CN217551150U CN217551150U CN202221073040.5U CN202221073040U CN217551150U CN 217551150 U CN217551150 U CN 217551150U CN 202221073040 U CN202221073040 U CN 202221073040U CN 217551150 U CN217551150 U CN 217551150U
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Abstract
The utility model discloses an environment-friendly heat-preservation ladle, which comprises a steel shell, a lining at the middle lower part, a lining at the upper part and a movable ladle opening cover, wherein the steel shell is provided with a shell tapping hole above the liquid level of molten iron calibration, and a shell ladle connecting hole in the center of the top; the movable ladle opening cover is arranged on the shell iron receiving ladle opening and comprises a fixed cross beam, a connecting ring groove, a plate-type ladle opening cover main body and a fireproof cover, wherein the fixed cross beam stretches over the shell iron receiving ladle opening and is fixed on the axis of a shell iron outlet of the shell iron receiving ladle opening, the side edge of the shell iron outlet is farther away from the axis, the connecting ring groove is sleeved on the fixed cross beam and can rotate around the fixed cross beam, the plate-type ladle opening cover main body is connected with the connecting ring groove, and the fireproof cover covers the two sides of the plate-type ladle opening cover main body. The ladle can reduce the temperature drop during the molten iron transportation and waiting, reduce the rapid reduction of the temperature in the empty ladle, reduce the loss of a large amount of smoke dust generated when the ladle pours the molten iron into the converter, and reduce the pollution in a converter process plant.
Description
Technical Field
The utility model belongs to the technical field of the ladle, especially, relate to an environment-friendly heat preservation ladle.
Background
In iron-making, steel-making and steel-rolling whole-flow steel works, the spacing between an iron-making blast furnace and a steel-making converter is generally larger due to the limitations of plant design, geographical position and the like, and a railway ladle transportation mode is generally adopted for reducing the transportation cost of molten iron. The conventional ladle usually adopts an open design for facilitating the carrying and pouring of molten iron, but the design is difficult to ensure the temperature of the molten iron, so that the temperature of the molten iron in the ladle is reduced too much, invalid energy consumption is caused to a certain extent, and the energy conservation and emission reduction of a steelmaking process are not facilitated. Meanwhile, when the conventional open type ladle pours molten iron into the converter, a large amount of smoke and dust are generated due to heating of refractory materials in the ladle, great pollution is caused in a steel converter working procedure factory building, and great harm is caused to the body health of operators.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the above-mentioned prior art, the utility model provides an environment-friendly heat preservation ladle, including steel shell, well lower part inside lining, upper portion inside lining, activity flap, wherein:
the middle lower lining and the upper lining are arranged in the steel shell, a round shell tapping hole is formed in the steel shell above the molten iron calibration liquid level, a square shell iron receiving ladle hole is formed in the center of the top of the steel shell, and the axis of the shell tapping hole is perpendicular to a pair of side edges of the shell iron receiving ladle hole;
a middle-lower lining iron tapping hole is formed in the middle-lower lining, an upper lining iron receiving ladle hole is formed in the upper lining, the position and the size of the middle-lower lining iron tapping hole are matched with those of the shell iron tapping hole, the middle-lower lining iron tapping hole is communicated with the shell iron tapping hole, the position and the size of the upper lining iron receiving ladle hole are matched with those of the shell iron receiving ladle hole, and the upper lining iron receiving ladle hole is communicated with the shell iron receiving ladle hole;
activity package flap sets up the shell connects indisputable chartered plane, comprises fixed cross beam, connection annular, board-like package flap main part, fire-resistant cover, fixed cross beam spanes the shell connects indisputable chartered plane to be fixed the shell connects the perpendicular to shell iron notch axis of indisputable chartered plane and more away from the side department of shell iron notch, it puts to connect the annular cover fixed cross beam is last and can wind fixed cross beam rotates, board-like package flap main part connect in connect the annular, the cladding of fire-resistant cover is in the both sides of board-like package flap main part, board-like package flap main part is the rectangle structure, the size of board-like package flap main part match in the shell connects indisputable chartered plane.
Further, in the environment-friendly heat-insulating ladle, the steel shell is of an integral welding forming structure, and the middle-lower lining and the upper lining are both made of refractory materials.
Further, in the environment-friendly heat-preservation ladle, the shell tapping hole is arranged on the steel shell and is positioned 20cm above the molten iron calibration liquid level, and the diameter of the shell tapping hole is 24cm.
The utility model discloses an environment-friendly heat preservation ladle has following advantage and beneficial effect:
the structure is simple, the use is convenient, and the manufacturing and maintenance cost is low;
through the ladle cover, the temperature drop during molten iron transportation and waiting can be reduced, a better temperature basis is provided for converter production, the production of a large scrap ratio in a converter process is facilitated, the rapid reduction of the temperature in an empty molten iron ladle can also be reduced, and important contribution is made to the energy conservation and emission reduction of the whole steel smelting process;
the ladle cover can reduce the loss of a large amount of smoke dust generated when the ladle pours molten iron into the converter, reduce the pollution in a converter procedure factory building and improve the health level of operators in the procedure.
Drawings
The accompanying drawings, which are set forth herein, serve to provide a further understanding of the embodiments of the present invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are illustrative of the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the environment-friendly heat-insulating ladle of the present invention;
FIG. 2 is an exploded view of the environmental protection type heat preservation ladle of the present invention;
fig. 3 is a schematic view of the working state of the environment-friendly heat-preservation ladle at different stages of molten iron pouring.
Description of reference numerals:
1. the steel shell, 2, shell taphole, 3, shell iron-receiving ladle opening, 4, middle and lower liner, 5, middle and lower liner taphole, 6, upper liner, 7, upper liner iron-receiving ladle opening, 8, fixed beam, 9, connecting ring groove, 10, plate-type ladle opening cover main body, 11, refractory cover, 12 and molten iron.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the environment-friendly heat-preservation ladle of the present invention comprises a steel shell 1, a middle-lower lining 4, an upper lining 6, and a movable ladle opening cover. The middle lower lining 4 and the upper lining 6 are arranged in the steel shell 1, the steel shell 1 is provided with a round shell tapping hole 2 above the liquid level of the molten iron calibration, the steel shell 1 is provided with a square shell iron receiving ladle opening 3 in the center of the top, and the axis of the shell tapping hole 2 is vertical to a pair of sides of the shell iron receiving ladle opening 3. Be provided with well lower part inside lining taphole 5 on the inside lining 4 of well lower part, be provided with upper portion inside lining on the inside lining 6 and connect indisputable mouthful 7, the position and the size of well lower part inside lining taphole 5 match in shell taphole 2 to well lower part inside lining taphole 5 and shell taphole 2 intercommunication, the position and the size of upper portion inside lining tapping indisputable mouthful 7 match in shell tapping mouthful 3, and upper portion inside lining tapping indisputable mouthful 7 and shell tapping mouthful 3 intercommunication. The movable ladle cover is arranged at the iron ladle opening 3 of the shell, and comprises a fixed cross beam 8, a connecting ring groove 9, a plate-type ladle cover main body 10 and a fireproof cover 11, wherein the fixed cross beam 8 stretches over the iron ladle opening 3 of the shell, is fixed at the iron ladle opening 3 of the shell, is perpendicular to the axis of the iron tap hole 2 of the shell and is far away from the side edge of the iron tap hole 2 of the shell, the connecting ring groove 9 is sleeved on the fixed cross beam 8 and can rotate around the fixed cross beam 8, the plate-type ladle cover main body 10 is connected with the connecting ring groove 9, and the fireproof cover 11 is wrapped at the two sides of the plate-type ladle cover main body 10. The plate-type opening covering main body 10 is of a rectangular structure, and the size of the plate-type opening covering main body is matched with that of the square shell iron-receiving opening 3.
As a specific implementation mode, the utility model discloses an in the environment-friendly heat preservation ladle, steel shell 1 is whole welded structure, and well lower part inside lining 4 and upper portion inside lining 6 are refractory material and make.
As a specific implementation mode, the utility model discloses an among the environment-friendly heat preservation ladle, shell tap hole 2 sets up and lies in the position of 20cm above the molten iron calibration liquid level on steel shell 1, and the diameter of shell tap hole 2 is 24cm.
The utility model discloses an among the environment-friendly heat preservation ladle, steel shell 1 mainly used provides sufficient bearing capacity for the interior molten iron of ladle, and well lower part inside lining 4 and upper portion inside lining 6 mainly play the thermal-insulated effect between interior molten iron of ladle and steel shell 1, improve steel shell 1's life.
As shown in fig. 3, the working states of the environment-friendly heat-preservation ladle at different stages of molten iron pouring are as follows:
1. when the ladle is at the tapping station of the blast furnace in the iron making process, the movable ladle cover is in a natural state of being vertically downward under the action of gravity, and does not prevent the molten iron 12 from entering the ladle, specifically referring to a state before the molten iron is poured as shown in a in fig. 3.
2. In the transportation process of the ladle, the environment-friendly heat-preservation ladle can provide better heat preservation effect for the molten iron 12 in the ladle, and the temperature reduction of the molten iron in the transportation and waiting period is reduced.
3. After the ladle reaches a smelting station of a converter in a steelmaking process, when molten iron 12 is poured into the converter through a tap hole during the operation of adding molten iron into the converter, the movable ladle opening cover is always in a natural state of vertically downward under the action of gravity, but as the ladle is gradually poured, the movable ladle opening cover can gradually shield the ladle receiving hole, so that the dust generated in the ladle is effectively reduced from escaping to the outside of the ladle, specifically refer to a molten iron pouring early-stage state shown in b, a molten iron pouring later-stage state shown in c and a molten iron pouring final state shown in d in fig. 3.
4. After the molten iron is poured, the movable ladle opening cover almost completely covers the ladle receiving opening of the ladle, so that the outward heat radiation quantity of the ladle can be effectively reduced, the higher temperature in the ladle is maintained, and a favorable foundation is provided for receiving the molten iron next time.
To sum up, compare with prior art, the utility model discloses an environment-friendly heat preservation ladle has following advantage and beneficial effect:
(1) Simple structure, convenient use and lower manufacturing and maintenance cost.
(2) Through the ladle cover, the temperature drop during molten iron transportation and waiting can be reduced, a better temperature basis is provided for converter production, the large scrap steel ratio production of converter procedures is facilitated, the rapid reduction of the temperature in the empty molten iron ladle can be reduced, and important contribution is made to the whole process of steel smelting, energy conservation and emission reduction.
(3) The ladle cover can reduce the loss of a large amount of smoke dust generated when the ladle pours molten iron into the converter, reduce the pollution in a converter procedure factory building and improve the health level of operators in the procedure.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides an environment-friendly heat preservation ladle, its characterized in that includes steel shell, well lower part inside lining, upper portion inside lining, activity flap, wherein:
the middle lower lining and the upper lining are arranged in the steel shell, a round shell tapping hole is formed in the steel shell above the molten iron calibration liquid level, a square shell iron receiving ladle hole is formed in the center of the top of the steel shell, and the axis of the shell tapping hole is perpendicular to a pair of side edges of the shell iron receiving ladle hole;
a middle-lower lining iron tapping hole is formed in the middle-lower lining, an upper lining iron receiving ladle hole is formed in the upper lining, the position and the size of the middle-lower lining iron tapping hole are matched with those of the shell iron tapping hole, the middle-lower lining iron tapping hole is communicated with the shell iron tapping hole, the position and the size of the upper lining iron receiving ladle hole are matched with those of the shell iron receiving ladle hole, and the upper lining iron receiving ladle hole is communicated with the shell iron receiving ladle hole;
activity package flap sets up the shell connects indisputable chartered plane, comprises fixed cross beam, connection annular, board-like package flap main part, fire-resistant cover, fixed cross beam spanes the shell connects indisputable chartered plane to be fixed the shell connects the perpendicular to shell iron notch axis of indisputable chartered plane and more away from the side department of shell iron notch, it puts to connect the annular cover fixed cross beam is last and can wind fixed cross beam rotates, board-like package flap main part connect in connect the annular, the cladding of fire-resistant cover is in the both sides of board-like package flap main part, board-like package flap main part is the rectangle structure, the size of board-like package flap main part match in the shell connects indisputable chartered plane.
2. The environment-friendly heat-insulating ladle according to claim 1, wherein the steel shell is of an integral welding structure, and the middle lower lining and the upper lining are made of refractory materials.
3. The environment-friendly heat-preservation ladle according to claim 2, wherein the shell tapping hole is formed in the steel shell at a position 20cm above a nominal liquid level of molten iron, and the diameter of the shell tapping hole is 24cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221073040.5U CN217551150U (en) | 2022-05-07 | 2022-05-07 | Environment-friendly heat-preservation ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221073040.5U CN217551150U (en) | 2022-05-07 | 2022-05-07 | Environment-friendly heat-preservation ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217551150U true CN217551150U (en) | 2022-10-11 |
Family
ID=83474786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221073040.5U Active CN217551150U (en) | 2022-05-07 | 2022-05-07 | Environment-friendly heat-preservation ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217551150U (en) |
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2022
- 2022-05-07 CN CN202221073040.5U patent/CN217551150U/en active Active
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