CN202530098U - Cast-iron cooling wall for blast furnace body - Google Patents
Cast-iron cooling wall for blast furnace body Download PDFInfo
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- CN202530098U CN202530098U CN2012200135039U CN201220013503U CN202530098U CN 202530098 U CN202530098 U CN 202530098U CN 2012200135039 U CN2012200135039 U CN 2012200135039U CN 201220013503 U CN201220013503 U CN 201220013503U CN 202530098 U CN202530098 U CN 202530098U
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- blast furnace
- cooling wall
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Abstract
The utility model discloses a cast-iron cooling wall for a blast furnace body, which includes a cross cooling wall main body, wherein a center hole is formed at the center of the cooling wall main body; a cast-in cooling water pipe is arranged inside the cooling wall main body and surrounding the center hole; and the cast-in cooling water pipe includes a water outlet and a water inlet. The cast-iron cooling wall provided by the utility model uniformly covers clearances among cooling panels, thereby enhancing the cooling effect at the area.
Description
Technical field
The utility model relates to the blast furnace cooling apparatus, more specifically, is a kind of cast-iron cooling wall that is used for blast furnace.
Background technology
The selection of body of heater cooling apparatus is most important to blast furnace campaign.Select suitable cooling apparatus and reasonable configuration, can guarantee that each position has suitable cooling intensity, keep type in the rational blast furnace operating, and help the strengthening smelting and the stable operation of blast furnace.Blast furnace to the basic demand of body of heater cooling structure is: at first, should have enough cooling intensity, can protect stove skin and liner; Secondly, the supporting liner can be played in the shaft middle and upper part, and is easy to type in the formation work; Once more, bosh, furnace bosh, restoration of lower stack are easy to form slag crust with protection liner and stove skin; At last, can not influence the resistance to air loss and the intensity of stove skin.
China's cooling apparatus commonly used has cooling stave, cooling plate etc.Cooling stave is divided into light face cooling stave, edge brick cooling stave, boss edge brick cooling stave etc., on the use material, is divided into heat resisting iron, spheroidal graphite cast iron, steel and copper cooling wall again; And cooling plate mainly is divided into cast copper cooling plate and cast iron cooling plate.The blast furnace cooling reaches protection stove skin and the purpose of safeguarding the type of furnace with regard to the combination that is to use different cooling apparatuss.Just might undergo phase transition the breakage of quickening water cooler thereby the hot-face temperature of cooling apparatus surpasses 400 ℃, thereby the body of heater cooling structure is rationally whether huge to the long-lived influence of blast furnace.
In blast furnace, limiting the one of the main reasons of blast furnace campaign is the life-span of furnace bosh and shaft middle and lower part; Because the smelting condition and the work under bad environment at this position; The thermal load fluctuation is big, the thermal shock phenomenon is serious; The lower liner that influences of adding composite factors such as washing away of coal gas of high temperature stream corrodes easily, peels off or comes off, thereby the design of the cooling structure at this position is particularly important.
At present, blast furnace has all adopted the cooling pattern of suitable this blast furnace according to situation separately both at home and abroad, and common body of heater cooling structure mainly contains modes such as cooling plate, cooling stave, wooden partition combination.And mainly using copper cooling wall and copper cooling plate at furnace bosh and shaft middle and lower part refrigerative, both respectively have superiority.The copper cooling wall cooling intensity is big, can play the effect of holder brick, and cooling area is big, and good airproof performance, but local resistivity relative mistake are changed inconvenient.And the copper cooling plate cooling intensity is big, can keep bricking preferably, can resist local big hot-fluid, but inner lining damage is irregular, and the perforate of stove skin is many.
More specifically, adopted the blast furnace of the type of cooling of copper cooling plate, in the stove labour middle and later periods; Owing to reasons such as the furnace wall erosion comes off, airflow scouring, furnace charge wearing and tearing; Can make the anti-material attenuation of body of heater, anti-material dies down to the protective capability of stove skin, when occur in the stove slag crust come off, when air-flow is unusual; Cause the stove skin directly to receive the influence of furnace high-temperature because cooling power descends, cause the rising even rubescent fast of stove skin temperature.According to knowhow, when stove skin surface temperature is higher than 350 ℃, number of times reaches 11 times, stove skin cracking will occur, this give blast furnace safe, produce and long-livedly brought very many hidden danger.
In addition; Because the strengthening smelting of large blast furnace, economic and technical norms such as the coal ratio of blast furnace, the capacity factor of a blast furnace are in higher level always, have increased erosion, wearing and tearing to the blast furnace furnace wall; So the thermal load of blast furnace, especially bosh furnace bosh to shaft central region is in higher level always.The original cooling plate cooling of shaft cannot say for sure to demonstrate,prove existing HS smelting.
The utility model content
The purpose of the utility model is to solve the above-mentioned deficiency of existing blast furnace cooling apparatus, thereby a kind of novel cast-iron cooling wall that is used for blast furnace is provided, and its ability and existing cooling plate are used in combination, and are used for the cooling of blast furnace.
The cast-iron cooling wall that is used for blast furnace of the utility model; Comprise the stave body that is cross; Said stave body center offers centre hole; And said stave body is inner to be provided with the cast-in water-cooled tube around said centre hole, and said cast-in water-cooled tube comprises a water outlet and a water inlet.
Preferably, said cast-in water-cooled tube is respectively arranged with the protective casing around this cast-in water-cooled tube at said water outlet and water inlet place.
The installation of the cast-iron cooling wall through the utility model can reach the purpose in each space between even covering cooling plate, thus strengthened should the zone cooling.
Description of drawings
Fig. 1 is the synoptic diagram of the cast-iron cooling wall that is used for blast furnace of the utility model;
Fig. 2 is along the sectional view of A-A line among Fig. 1;
Scheme of installation when Fig. 3 is used in combination with cooling plate for the cast-iron cooling wall of the utility model;
Fig. 4 is installed in the synoptic diagram on the blast furnace for the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the structure and the principle of work of the cast-iron cooling wall that is used for blast furnace of the utility model is elaborated.
As shown in Figure 1; Structural representation for the cast-iron cooling wall that is used for blast furnace of the utility model; As shown in the figure, this cast-iron cooling wall comprises the stave body 10 that is cross, and stave body 10 centers offer centre hole 11; And stave body 10 inside are provided with cast-in water-cooled tube 20 around said centre hole, and cast-in water-cooled tube 20 comprises a water outlet 21 and a water inlet 22.As shown in the figure, the shape in the cast-in water-cooled tube 20 loops preferably shape with cast-iron cooling wall is similar, farthest to reach uniform cooling performance.The centre hole of offering 11 is that the cooling plate that blast furnace has used is reserved the gap when being used for subsequent installation.
In addition, the cast-iron cooling wall of the utility model also comprises two open holes 12,13, is used for being fixed on when mounted blast furnace.
More specifically, as shown in Figure 2, cast-in water-cooled tube 20 is respectively arranged with the protective casing 30 around this cast-in water-cooled tube 20 at said water outlet and water inlet place, thereby protects for the water-cooled tube at water outlet and water inlet place.
In conjunction with Fig. 3,4, the utility model cast-iron cooling wall 100 when mounted, be distributed in the furnace bosh of blast furnace 40 and each section cooling plate 200 gaps of shaft middle and lower part, and the number of every section cast-iron cooling wall 100 is identical with each section cooling plate number.The centre hole 11 of cast-iron cooling wall 100 is inserted in cooling plate.The wall body upper and lower ends joins with the cooling plate 200 of each section up and down, is contiguous other cast-iron cooling wall 100 of installing up and down.Through the installation of cast-iron cooling wall 100, can reach the purpose in each space between even covering cooling plate, thereby strengthened should the zone cooling.
The cast-iron cooling wall that is used for blast furnace of the utility model has the following advantages:
1, strengthen the cooling of furnace bosh and shaft middle and lower part, help operating the type of furnace and safeguard.The installation of cast-iron cooling wall; But reinforcing blast furnace furnace bosh and the cooling of shaft middle and lower part; Thereby make the zone of these work under bad environment form slag crust quickly and effectively, protection cooling plate and furnace lining, the type of furnace is even in a circumferential direction to make blast furnace; Type is smooth in the blast furnace operating, helps the production of blast furnace stability and high efficiency.
2, the stove skin of protection cooled region helps blast furnace longevity.The existence of cast-iron cooling wall not only can slow down the erosion of inner bricking, and cuts off inner thermal shocking to the stove skin, effectively protects shell of blast furnace, avoids the rubescent or cracking of stove skin, prolongs the life-span of blast furnace generation stove labour greatly.
3, simplicity of design, easy for installation.The cast-iron cooling wall of the utility model is a light face cast-iron cooling wall; Consistent with common cooling stave except that shape; Shape is decided according to cooling plate and blast furnace size that blast furnace uses, and the cooling dead zone that the little cooling wall energy in back effectively covers cooling plate is installed, and reaches the reinforcement cooling performance.
Claims (2)
1. cast-iron cooling wall that is used for blast furnace; It is characterized in that; Comprise the stave body that is cross; Said stave body center offers centre hole, and said stave body is inner is provided with the cast-in water-cooled tube around said centre hole, and said cast-in water-cooled tube comprises a water outlet and a water inlet.
2. the cast-iron cooling wall that is used for blast furnace according to claim 1 is characterized in that, said cast-in water-cooled tube is respectively arranged with the protective casing around this cast-in water-cooled tube at said water outlet and water inlet place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200135039U CN202530098U (en) | 2012-01-13 | 2012-01-13 | Cast-iron cooling wall for blast furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200135039U CN202530098U (en) | 2012-01-13 | 2012-01-13 | Cast-iron cooling wall for blast furnace body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530098U true CN202530098U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200135039U Expired - Lifetime CN202530098U (en) | 2012-01-13 | 2012-01-13 | Cast-iron cooling wall for blast furnace body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202530098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313221A (en) * | 2014-10-14 | 2015-01-28 | 北京联合荣大工程材料有限责任公司 | Water-cooled iron storage type iron runner and cooling method thereof |
| CN108588314A (en) * | 2018-04-03 | 2018-09-28 | 莱芜市天铭冶金设备有限公司 | A kind of pre- poling cast-iron cooling wall of high-efficiency long-life and its manufacturing process |
-
2012
- 2012-01-13 CN CN2012200135039U patent/CN202530098U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313221A (en) * | 2014-10-14 | 2015-01-28 | 北京联合荣大工程材料有限责任公司 | Water-cooled iron storage type iron runner and cooling method thereof |
| CN104313221B (en) * | 2014-10-14 | 2016-06-15 | 北京联合荣大工程材料有限责任公司 | A kind of water-cooling type iron storing type iron runner and cooling means |
| CN108588314A (en) * | 2018-04-03 | 2018-09-28 | 莱芜市天铭冶金设备有限公司 | A kind of pre- poling cast-iron cooling wall of high-efficiency long-life and its manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |