CN109943676B - Blast furnace ore tank material vat and preparation method thereof - Google Patents
Blast furnace ore tank material vat and preparation method thereof Download PDFInfo
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- CN109943676B CN109943676B CN201910169289.2A CN201910169289A CN109943676B CN 109943676 B CN109943676 B CN 109943676B CN 201910169289 A CN201910169289 A CN 201910169289A CN 109943676 B CN109943676 B CN 109943676B
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Abstract
The invention relates to a blast furnace ore tank material big tank, which comprises a material big tank shell, lining plates, metal sliding plates, bolts and a metal rhombic net framework, wherein the lining plates are arranged and bonded on the vertical side wall and the inclined side wall of the material big tank shell, the bolts are arranged between the lining plate at the lowest layer of the vertical side wall and the material big tank shell, the metal sliding plates are arranged between the lining plates on the inclined side wall, the metal sliding plates are welding parts and comprise bottom plates, vertical plates and supporting legs, the bottom plates are vertically connected with the vertical plates, the supporting legs are fixedly connected with the bottom plates, and the metal rhombic net framework is arranged in the lining plates. The blast furnace ore tank material big tank can directly bear impact, and the phenomenon of cracking and falling is avoided. The phenomenon that the lining plate falls off due to hanging and exposing of a large material groove due to temperature difference change in northeast winter is solved by additionally arranging bolts for fastening.
Description
Technical Field
The invention relates to the field of metallurgy, in particular to a blast furnace ore tank material big tank and a preparation method thereof.
Background
The existing blast furnace ore tank material large tank lining plate is cast stone, is easy to break and fall off in production, and particularly has a breaking phenomenon at a material impact point, so that a production line is blocked, and the smooth production is influenced.
Disclosure of Invention
The invention aims to provide a blast furnace ore tank material macro-tank and a preparation method thereof, which can improve the wear resistance and impact strength of the material macro-tank and prolong the service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a blast furnace ore deposit groove material vat, includes the material vat casing, the welt, the metal slide, the bolt, metal rhombus net skeleton, the welt is arranged and is bonded on the vertical lateral wall and the inclined plane lateral wall of material vat casing, is equipped with the bolt between the welt of the lower floor of vertical lateral wall and the material vat casing, is equipped with the metal slide between the welt on the inclined plane lateral wall, and the metal slide is a welding piece, including bottom plate, riser, landing leg, bottom plate and riser are connected perpendicularly, landing leg and bottom plate fixed connection are equipped with metal rhombus net skeleton in the welt.
The thickness of the lining plate is 45mm-50 mm.
A preparation method of a blast furnace ore tank material vat specifically comprises the following steps:
1) preparing a lining plate, wherein a metal rhombic net framework is arranged inside the lining plate;
2) when the lining plate is bonded with the material big groove shell, a layer of sand grains with the grain diameter of 0.3mm-0.8mm is sprayed on the surface of the bonding glue to improve the bonding property;
3) screw holes are reserved on the lining plate of the lowest layer material impact point of the vertical side wall of the material big groove shell and the corresponding material big groove shell, and the material big groove shell and the lining plate are reinforced by expansion bolts after the adhesion is finished;
4) a transverse metal sliding plate is embedded between the lining plates of the sliding part of the side wall of the inclined plane.
The lining plate is made of cast stone, and the index requirements of the cast stone are as follows: the compressive strength is more than or equal to 58860N/e square meter; the bending strength is more than or equal to 6377N/e square meter; the impact toughness is more than or equal to 1568mg/e square meter; the abrasion degree is less than or equal to 0.99 g/em; 95-98% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The alkali resistance is more than or equal to 98.
The adhesive glue is epoxy resin, and the index requirements of the epoxy resin are as follows: the compressive strength is more than 75 MPa; the tensile strength is more than 8.0 MPa; bonding strength to cast stone plate: 2.5-3.0 MPa; the use temperature is less than 140 ℃; the hardening time (at 25 ℃) is less than or equal to 10 hours.
Compared with the prior art, the invention has the beneficial effects that:
the blast furnace ore tank material big tank can directly bear impact, and the phenomenon of cracking and falling is avoided. The phenomenon that the lining plate falls off due to hanging and exposing of a large material groove due to temperature difference change in northeast winter is solved by additionally arranging bolts for fastening.
Drawings
Fig. 1 is a schematic structural diagram of a blast furnace ore tank material vat.
Fig. 2 is a schematic structural view of the lining plate.
Fig. 3 is a schematic structural view of a metal slide plate.
Fig. 4 is a structural side view of the metal slide plate.
In the figure: the material vat casing 1, welt 2, metal slide 3, bolt 4, metal rhombus net skeleton 5, bottom plate 6, riser 7, landing leg 8.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-4, a blast furnace ore groove material vat comprises a material vat shell 1, a lining plate 2, a metal sliding plate 3, bolts 4 and a metal diamond-shaped net framework 5, wherein the lining plate 2 is arranged and bonded on the vertical side wall and the inclined side wall of the material vat shell 1, the bolts are arranged between the lining plate 2 at the lowest layer of the vertical side wall and the material vat shell 1, the metal sliding plate 3 is arranged between the lining plates 2 on the inclined side wall, the metal sliding plate 3 is a welding part and comprises a bottom plate 6, a vertical plate 7 and supporting legs 8, the bottom plate is vertically connected with the vertical plate, the supporting legs are fixedly connected with the bottom plate, and the metal diamond-shaped net framework 5 is arranged in the lining. The thickness of the lining plate is 45mm-50 mm.
A preparation method of a blast furnace ore tank material vat specifically comprises the following steps:
1) preparing a lining plate, wherein a metal rhombic net framework is arranged inside the lining plate;
2) when the lining plate is bonded with the material big groove shell, a layer of sand grains with the grain diameter of 0.3mm-0.8mm is sprayed on the surface of the bonding glue to improve the bonding property;
3) screw holes are reserved on the lining plate of the lowest layer material impact point of the vertical side wall of the material big groove shell and the corresponding material big groove shell, and the material big groove shell and the lining plate are reinforced by expansion bolts after the adhesion is finished;
4) a transverse metal sliding plate is embedded between the lining plates of the sliding part of the side wall of the inclined plane.
The lining plate is made of cast stone, and the index requirements of the cast stone are as follows: the compressive strength is more than or equal to 58860N/e square meter; the bending strength is more than or equal to 6377N/e square meter; the impact toughness is more than or equal to 1568mg/e square meter; the abrasion degree is less than or equal to 0.99 g/em; 95-98% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The alkali resistance is more than or equal to 98.
The adhesive glue is epoxy resin, and the index requirements of the epoxy resin are as follows: the compressive strength is more than 75 MPa; the tensile strength is more than 8.0 MPa; bonding strength to cast stone plate: 2.5-3.0 MPa; the use temperature is less than 140 ℃; the hardening time (at 25 ℃) is less than or equal to 10 hours.
Examples
A preparation method of a blast furnace ore tank material vat specifically comprises the following steps:
1) preparing a lining plate, wherein a metal rhombic net framework is arranged inside the lining plate; the metal diamond-shaped net framework adopts phi 5mm steel bars; the thickness of the liner is 45 mm.
2) When the lining plate is bonded with the material big groove shell, a layer of sand grains with the grain diameter of 0.3mm-0.8mm is sprayed on the surface of the bonding glue to improve the bonding property;
3) screw holes are reserved on the lining plate of the lowest layer material impact point of the vertical side wall of the material big groove shell and the corresponding material big groove shell, and the material big groove shell and the lining plate are reinforced by expansion bolts after the adhesion is finished;
4) a transverse metal sliding plate is embedded between the lining plates of the sliding part of the side wall of the inclined plane.
The lining plate is made of cast stone, and the index requirements of the cast stone are as follows: the compressive strength is more than or equal to 58860N/e square meter; the bending strength is more than or equal to 6377N/e square meter; the impact toughness is more than or equal to 1568mg/e square meter; the abrasion degree is less than or equal to 0.99 g/em; 95-98% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The acid resistance is more than or equal to 99; 20% H2SO4The alkali resistance is more than or equal to 98.
The adhesive glue is epoxy resin, and the index requirements of the epoxy resin are as follows: the compressive strength is more than 75 MPa; the tensile strength is more than 8.0 MPa; bonding strength to cast stone plate: 2.5-3.0 MPa; the use temperature is less than 140 ℃; the hardening time (at 25 ℃) is less than or equal to 10 hours.
The foregoing is considered as illustrative only of the principles of the invention and is not to be in any way limiting, since all equivalent changes and modifications are intended to be included within the scope of the appended claims.
Claims (3)
1. The utility model provides a blast furnace ore deposit groove material vat, a serial communication port, including the material vat casing, the welt, the metal slide, expansion bolts, metal rhombus net skeleton, the welt is arranged and is bonded on vertical lateral wall and the inclined plane lateral wall of material vat casing, be equipped with expansion bolts between the welt of the lower floor of vertical lateral wall and the material vat casing, be equipped with the metal slide between the welt on the inclined plane lateral wall, the metal slide is the welding piece, be equipped with metal rhombus net skeleton in the welt, the thickness of welt is 45mm-50mm, the metal slide, including the bottom plate, the riser, the landing leg, bottom plate and riser are connected perpendicularly, landing leg and bottom plate fixed connection, the welt is cast.
2. The method for preparing the blast furnace ore tank material vat according to claim 1, characterized by comprising:
1) preparing a lining plate, wherein a metal rhombic net framework is arranged inside the lining plate;
2) when the lining plate is bonded with the material big groove shell, a layer of sand grains with the grain diameter of 0.3mm-0.8mm is sprayed on the surface of the bonding glue to improve the bonding property;
3) screw holes are reserved on the lining plate of the lowest layer material impact point of the vertical side wall of the material big groove shell and the corresponding material big groove shell, and the material big groove shell and the lining plate are reinforced by expansion bolts after the adhesion is finished;
4) a transverse metal sliding plate is embedded between the lining plates of the sliding part of the side wall of the inclined plane.
3. The method for preparing the blast furnace ore tank material vat according to claim 2, wherein the adhesive glue is epoxy resin, and the index requirements of the epoxy resin are as follows: the compressive strength is more than 75 MPa; the tensile strength is more than 8.0 MPa; bonding strength to cast stone plate: 2.5-3.0 MPa; the use temperature is less than 140 ℃; the hardening time is less than or equal to 10 hours at 25 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169289.2A CN109943676B (en) | 2019-03-06 | 2019-03-06 | Blast furnace ore tank material vat and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169289.2A CN109943676B (en) | 2019-03-06 | 2019-03-06 | Blast furnace ore tank material vat and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109943676A CN109943676A (en) | 2019-06-28 |
| CN109943676B true CN109943676B (en) | 2021-02-23 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3473746A (en) * | 1966-01-12 | 1969-10-21 | Erik Arne Sabel | Wearing parts for crushers |
| CN2108727U (en) * | 1991-09-25 | 1992-07-01 | 本溪钢铁公司第一机修厂 | Distributing feeding leg lining board for non-bell blast furnace |
| CN202181311U (en) * | 2011-06-28 | 2012-04-04 | 鞍钢股份有限公司 | Delivery opening lining board for griddle |
| CN102744767A (en) * | 2012-07-17 | 2012-10-24 | 四川省川东铸石有限责任公司 | Composite cast stone sliding groove and manufacture technology thereof |
| CN204844993U (en) * | 2015-05-06 | 2015-12-09 | 马鞍山市阿埃马密封技术科技有限公司 | High abrasion noise control compounded rubber welt |
| CN205818599U (en) * | 2016-07-06 | 2016-12-21 | 镇江经纬输送科技有限公司 | A kind of metal inner lining polyurethane sheet |
| CN207671102U (en) * | 2017-12-20 | 2018-07-31 | 江苏双发机械有限公司 | A kind of novel wear resistant lining board |
| CN208022156U (en) * | 2018-02-28 | 2018-10-30 | 首钢京唐钢铁联合有限责任公司 | A kind of abrasion-resistant metal built-up welding liner plate and feed bin |
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