CN213052725U - Heat-insulation masonry structure of hot-metal bottle - Google Patents
Heat-insulation masonry structure of hot-metal bottle Download PDFInfo
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- CN213052725U CN213052725U CN202021663607.5U CN202021663607U CN213052725U CN 213052725 U CN213052725 U CN 213052725U CN 202021663607 U CN202021663607 U CN 202021663607U CN 213052725 U CN213052725 U CN 213052725U
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Abstract
The utility model belongs to the technical field of smelting equipment, and discloses a heat-insulating masonry structure of a hot metal ladle, which is arranged at the inner side of a steel shell of the hot metal ladle and comprises a nanometer micro-material heat-insulating layer, a permanent layer and an aluminum silicon carbide carbon brick layer which are sequentially arranged from the steel shell inwards; the nanometer micro-material heat-insulating layer is tightly attached to the steel shell, the permanent layer is a pouring material layer or a brick masonry layer, the brick masonry layer is provided with two layers of clay bricks or two layers of high-alumina bricks, the aluminum silicon carbide carbon brick layer is provided with one layer of aluminum silicon carbide carbon bricks, the adjacent two layers of bricks are staggered-jointed and masonry, the adjacent bricks of the same layer of bricks are staggered-jointed and masonry, and the masonry brick joints are filled with high-temperature clay. This heat preservation masonry structure has reduced the temperature drop of molten iron, improves the heat insulating ability of hot metal bottle, has reduced the energy resource consumption among the steelmaking process, can avoid the infiltration iron that the deformation of heat preservation in use caused again to wear a packet risk because of the firm structure on its permanent layer, improves hot metal bottle's security.
Description
Technical Field
The utility model belongs to the technical field of smelting equipment, concretely relates to hot metal bottle's heat preservation masonry structure.
Background
With the increasing promotion of national energy conservation and emission reduction work, the energy consumption requirements of iron and steel enterprises on molten iron transportation are increasingly strict, the surface temperature of a molten iron tank is gradually changed from a new past tank to be within 180 ℃, the surface steel shell temperature of the molten iron tank is not more than 250 ℃ in the whole life span, and the heat preservation requirements are not considered when the permanent lining is designed for the past molten iron tank.
In order to reduce the heat loss of the hot metal ladle in operation, a layer of heat insulation structure is usually added at the position of the inner side of the brick permanent layer, which is tightly attached to the hot metal ladle shell. Because insulation construction or permanent layer set up improperly, very easily in the later stage that the hot-metal bottle used, because of the working layer attenuate, lead to permanent layer and insulation construction's interface temperature to exceed insulation construction's safe use temperature, and then probably lead to insulation construction to become invalid, make the heat preservation effect of hot-metal bottle not up to standard, in addition, still can be because insulation construction's damage, make the hot-metal bottle when the splendid attire molten iron, retreat or the crackle appears because of permanent layer lacks the support, lead to the working layer not hard up or lead to oozing the iron because of being extrudeed.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model aims at providing a hot metal bottle's heat preservation masonry structure, this heat preservation masonry structure is through reasonable structure setting, and the interface temperature of steerable permanent layer and heat preservation avoids the heat preservation inefficacy and damages, and then avoids the permanent layer deformation to bring ooze the iron and wear the package risk, under the prerequisite of the security of guaranteeing the hot metal bottle, reduces the heat and scatters and disappears.
In order to achieve the above object, the present invention is realized by the following technical solutions:
a heat-insulation masonry structure of a hot-metal ladle is arranged on the inner side of a steel shell of the hot-metal ladle and comprises a nanometer micro-material heat-insulation layer, a permanent layer and an aluminum silicon carbide carbon brick layer which are sequentially arranged from the steel shell to the inside;
the nanometer micro-material heat-insulating layer is arranged to be tightly attached to the steel shell, the permanent layer is a pouring material layer or a brick masonry layer, the brick masonry layer is provided with two layers of clay bricks or two layers of high-alumina bricks, the aluminum silicon carbide carbon brick layer is provided with a layer of aluminum silicon carbide carbon bricks, two adjacent layers of bricks are constructed in a staggered joint mode, adjacent bricks of the same layer of bricks are constructed in a staggered joint mode, and each masonry brick joint is filled with high-temperature cement;
the thickness of the nanometer micro-material heat-insulating layer is 8-20mm, the thickness of the permanent layer is 90-150mm, and the thickness of the aluminum silicon carbide carbon brick layer is 150-230 mm.
In the utility model, when the permanent layer is a brick masonry layer, the thickness of the single-layer clay brick or the single-layer high-alumina brick can be 32-65 mm.
The utility model provides an adjacent two-layer brick stagger joint is built by laying bricks or stones, is built by laying bricks or stones with the adjacent brick stagger joint of one deck brick, and wherein the brick is the general any brick that indicates heat preservation masonry structure, including clay brick, high-alumina brick, aluminium carborundum carbon brick.
According to the utility model discloses, the little material adiabatic heat preservation of nanometer plays the heat preservation effect, and it has extremely low coefficient of heat conductivity, has reduced the heat of hot metal bottle in the operation and has scattered and disappear. The nanometer micro-material heat-insulating layer is made by a micro/nanometer scale heat transfer technologyThe novel refractory and heat insulating material layer has the characteristic of preventing gas molecules from moving thermally and is made of nano SiO2Aluminum foil composite reflection and heat insulation technology, belonging to the existing material.
The utility model provides a permanent layer can be for the castable layer or brick masonry layer, and the castable layer is compared the brick masonry layer, has construction convenience's characteristic. The castable used in the castable layer is made of conventional components, and generally, the content of alumina in the castable is 55-70 wt%. The clay brick and the high-alumina brick used in the brick masonry layer are not limited to the baked shaped product, but also include the baking-free shaped product using a binder such as water glass, and both of these clay bricks and high-alumina bricks are conventional bricks, and usually the alumina content in the clay brick is 35-45 wt%, and the alumina content in the high-alumina brick is 48-65 wt%.
According to the utility model discloses, through thermal technology calculation, permanent layer thickness is at 90-150mm, only remains under 40-50 mm's the extreme condition at the working lining, and the interface temperature of permanent layer and the little material adiabatic heat preservation of nanometer is below 650 ℃, can avoid the phenomenon because of the super temperature pulverization hot metal bottle steel casing of the little material adiabatic heat preservation of nanometer overtemperature.
The utility model provides an aluminium carborundum carbon brick is that one kind contains carborundum, uses aluminium oxide to corrode the hot metal bottle brick for working layer that has good resistance to molten iron as the principal ingredients, and it adopts conventional constitution and structure.
In addition, the utility model discloses a heat preservation masonry structure usage is not only limited to the hot metal bottle, still can be used to the similar other metallurgical container of use scene to improve its heat insulating ability and security.
The utility model discloses in still including other subassemblies that can make the heat preservation masonry structure normal use of this hot metal bottle, all belong to the conventional selection in this field. Additionally, the utility model discloses in add the subassembly of injecing and all adopt the conventional means in this field, for example, nanometer fine material adiabatic heat preservation, clay brick, high-alumina brick, aluminium carborundum carbon brick, high temperature daub etc. all can purchase as required and obtain.
Compared with the prior art, the beneficial effects of the utility model include:
1. the utility model discloses a masonry structure passes through the compound application on the adiabatic heat preservation of nanometer lumber and permanent layer, has increased the interface of thermal current conduction, reduces the splendid attire molten iron in-process and scatters and disappears along the heat of package wall direction.
2. The utility model discloses utilize the double-deck masonry structure of clay brick or high-alumina brick, also or the overall structure that the pouring material was pour, realize the interfacial temperature of the adiabatic heat preservation of the little material of control nanometer and permanent layer, avoided the adiabatic heat preservation of the little material of nanometer etc. to use the shortcoming of easy pulverization carbonization under high temperature for a long time, reduced the risk of wearing the package because of the permanent layer material damage of hot metal bottle leads to oozing the iron.
3. The utility model discloses utilize the package wall structure or double-deck brick masonry structure that the pouring material was pour, replace but light insulating brick adds the structure that high-alumina brick or light brick add the clay brick, because of light brick intensity is lower, can produce deformation because of the ferrostatic pressure when using for a long time, and then cause the working layer to retreat, cause the not hard up risk that falls brick or the expansion of brickwork joint lead to the molten iron to wear the package of working layer.
Drawings
The present invention will be described in further detail with reference to the following detailed description of the drawings.
Fig. 1 is a schematic view of the insulation masonry structure of example 1.
Figure 2 is a schematic view of the insulating masonry structure of example 2.
Figure 3 is a schematic view of the insulating masonry structure of example 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the heat-insulating masonry structure of the hot-metal ladle is arranged at the inner side of a steel shell 1 of the hot-metal ladle, and comprises a nanometer micro-material heat-insulating layer 2, a pouring material layer 3 and an aluminum silicon carbide carbon brick layer 4 which are sequentially arranged from the steel shell 1 to the inside;
the nanometer micro-material heat-insulating layer 2 is arranged close to the steel shell 1, the aluminum silicon carbide carbon brick layer 4 is provided with a layer of aluminum silicon carbide carbon bricks, adjacent bricks are constructed in staggered joints, and each constructed brick joint is filled with high-temperature cement mortar;
the thickness of nanometer micro-material heat insulation layer 2 is 15mm, the thickness of castable layer 3 is 100mm, and the thickness of aluminium carborundum carbon brick layer 4 is 200 mm.
Example 2
As shown in fig. 2, the heat-insulating masonry structure of the hot-metal ladle is arranged at the inner side of a steel shell 1 of the hot-metal ladle, and comprises a nanometer micro-material heat-insulating layer 2, a brick masonry layer and an aluminum silicon carbide carbon brick layer 4 which are sequentially arranged from the steel shell 1 to the inside;
the nanometer micro-material heat-insulating layer 2 is arranged close to the steel shell 1, the brick masonry layer is provided with two layers of clay bricks 5, the aluminum silicon carbide carbon brick layer 4 is provided with one layer of aluminum silicon carbide carbon bricks, two adjacent layers of bricks are constructed in a staggered manner, adjacent bricks of the same layer of bricks are constructed in a staggered manner, and each masonry brick joint is filled with high-temperature cement;
the thickness of the nanometer micro-material heat-insulating layer 2 is 15mm, the thickness of the brick masonry layer is 100mm, the thickness of each layer of clay brick 5 is 50mm, and the thickness of the aluminum silicon carbide carbon brick layer 4 is 200 mm.
Example 3
As shown in fig. 3, the heat-insulating masonry structure of the hot-metal ladle is arranged at the inner side of a steel shell 1 of the hot-metal ladle, and comprises a nanometer micro-material heat-insulating layer 2, a brick masonry layer and an aluminum silicon carbide carbon brick layer 4 which are sequentially arranged from the steel shell 1 to the inside;
the nanometer micro-material heat-insulating layer 2 is arranged close to the steel shell 1, the brick masonry layer is provided with two layers of high-alumina bricks 6, the aluminum silicon carbide carbon brick layer 4 is provided with one layer of aluminum silicon carbide carbon bricks, two adjacent layers of bricks are constructed in a staggered joint mode, adjacent bricks of the same layer of bricks are constructed in a staggered joint mode, and each masonry brick joint is filled with high-temperature cement;
the thickness of nanometer fine material adiabatic heat preservation 2 is 15mm, and the thickness of brick masonry layer is 110mm, and the thickness of every layer of high-alumina brick 6 is 55mm, and the thickness of aluminium carborundum carbon brick layer 4 is 200 mm.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (2)
1. The utility model provides a hot metal bottle's heat preservation masonry structure, this heat preservation masonry structure locates the box hat of hot metal bottle inboard, its characterized in that: the heat-insulation masonry structure comprises a nanometer micro-material heat-insulation layer, a permanent layer and an aluminum silicon carbide carbon brick layer which are sequentially arranged from the steel shell to the inside;
the nanometer micro-material heat-insulating layer is arranged to be tightly attached to the steel shell, the permanent layer is a pouring material layer or a brick masonry layer, the brick masonry layer is provided with two layers of clay bricks or two layers of high-alumina bricks, the aluminum silicon carbide carbon brick layer is provided with a layer of aluminum silicon carbide carbon bricks, two adjacent layers of bricks are constructed in a staggered joint mode, adjacent bricks of the same layer of bricks are constructed in a staggered joint mode, and each masonry brick joint is filled with high-temperature cement;
the thickness of the nanometer micro-material heat-insulating layer is 8-20mm, the thickness of the permanent layer is 90-150mm, and the thickness of the aluminum silicon carbide carbon brick layer is 150-230 mm.
2. The insulating masonry structure of the hot-metal bottle of claim 1, wherein: when the permanent layer is a brick masonry layer, the thickness of the single-layer clay brick or the single-layer high-alumina brick is 32-65 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663607.5U CN213052725U (en) | 2020-08-11 | 2020-08-11 | Heat-insulation masonry structure of hot-metal bottle |
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| CN202021663607.5U CN213052725U (en) | 2020-08-11 | 2020-08-11 | Heat-insulation masonry structure of hot-metal bottle |
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| CN213052725U true CN213052725U (en) | 2021-04-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828761A (en) * | 2021-09-18 | 2021-12-24 | 全威（铜陵）铜业科技有限公司 | Heat preservation furnace, building method and detection system thereof |
| CN114603128A (en) * | 2022-03-22 | 2022-06-10 | 重庆钢铁股份有限公司 | Building and maintaining method of ladle capable of being put into service in short time |
-
2020
- 2020-08-11 CN CN202021663607.5U patent/CN213052725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828761A (en) * | 2021-09-18 | 2021-12-24 | 全威（铜陵）铜业科技有限公司 | Heat preservation furnace, building method and detection system thereof |
| CN114603128A (en) * | 2022-03-22 | 2022-06-10 | 重庆钢铁股份有限公司 | Building and maintaining method of ladle capable of being put into service in short time |
| CN114603128B (en) * | 2022-03-22 | 2023-08-18 | 重庆钢铁股份有限公司 | Ladle masonry and maintenance method capable of being used in short time |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A thermal insulation masonry structure of molten iron tank Effective date of registration: 20220331 Granted publication date: 20210427 Pledgee: Jiaozuo Branch of Guangdong Development Bank Co.,Ltd. Pledgor: JIAOZUO JINXIN HENGTUO ADVANCED MATERIALS CO.,LTD. Registration number: Y2022980003775 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230912 Granted publication date: 20210427 Pledgee: Jiaozuo Branch of Guangdong Development Bank Co.,Ltd. Pledgor: JIAOZUO JINXIN HENGTUO ADVANCED MATERIALS CO.,LTD. Registration number: Y2022980003775 |