CN205223272U - Cooling column for recovering function of cooling wall of blast furnace - Google Patents

Cooling column for recovering function of cooling wall of blast furnace Download PDF

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Publication number
CN205223272U
CN205223272U CN201520922539.2U CN201520922539U CN205223272U CN 205223272 U CN205223272 U CN 205223272U CN 201520922539 U CN201520922539 U CN 201520922539U CN 205223272 U CN205223272 U CN 205223272U
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CN
China
Prior art keywords
cooling
blast furnace
cylinder
water
stave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520922539.2U
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Chinese (zh)
Inventor
刘宝奎
张立国
张洪宇
赵正洪
刘振宇
范振夫
张海明
王亮
韩子文
王志君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Angang Steel Co Ltd
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Angang Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Angang Steel Co Ltd filed Critical Angang Steel Co Ltd
Priority to CN201520922539.2U priority Critical patent/CN205223272U/en
Application granted granted Critical
Publication of CN205223272U publication Critical patent/CN205223272U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Blast Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The utility model provides a cooling column for recovering the function of a cooling wall of a blast furnace, which consists of a column body, a wear-resistant alloy outer lining, a water-cooling pipe and a reinforcing rib; the outer surface of the cylinder or the elliptic cylinder is coated with a layer of wear-resistant alloy outer lining, 1-4 reinforcing ribs and at least 2U-shaped water cooling pipes are embedded in the cylinder at equal intervals, and cooling media are introduced into the water cooling pipes. The utility model discloses can continue to maintain its local cooling function after blast furnace stave is damaged, make the life of damaged stave be not less than 2 years to can promote the blast furnace utilization coefficient more than 0.1, and effectively reduce blast furnace maintenance cost and ironmaking cost.

Description

Blast furnace cooling stave functional rehabilitation cooling stud
Technical field
The utility model belongs to blast furnace cooling apparatus field, is specifically related to a kind of cooling stud for recovering refrigerating function after blast furnace cooling wall breakage.
Background technology
Along with blast furnace maximizes and the lifting of using degree, blast furnace cooling stave local damage phenomenon is aggravated, time serious, water-cooled tube can be caused to burn out, the even overall cooling stave of scaling loss and cooling plate, the serious production constraining blast furnace, and if body of heater cooling apparatus process after breakage accidentally, will potential safety hazard be brought, cause the dual decline of enterprise's production capacity and economic benefit.For this reason, many smelters have set up prolonging campaign team specially, select from cooling stave material, improve to methods for cooling, arrive cooling stave again to repair online etc. and carry out various research and trial, and define a series of technology differed from one another on this basis, as adopted online recovery technique, wearing hose technology outward, by recovering damaged cooling stave cooling duct, reach the object continuing to maintain cooling; Or adopt additional water cooler mode, by damaged cooling wall and the boring of outside furnace shell, water cooler is placed to damaged cooling stave position, again recovers the refrigerating function at this position with this, reach the object in the work-ing life extending cooling stave; Or adopt outer stove skin and cooling stave body strengthening cooling provision, force to fetch water by outer stove skin or cooling stave uses the mode of high-pressure cooling water instead, to maintain the continuation production of blast furnace.Undoubtedly, the application of the especially additional water cooler mode of above-mentioned measure, maintain refrigerating function for continuing after cooling wall breakage, the work-ing life extending body of heater has great importance.But also there is certain inherent defect, as the wear resistance of water cooler, poling is subject to the situation restriction of cooling wall breakage, and waste water resource etc., the expection of people is also not yet reached in result of use.
Summary of the invention
The utility model aims to provide one and is convenient to installation and removal, can continue to maintain its Local cooling function after blast furnace cooling wall breakage, thus extends cooling stave work-ing life, reduces the cooling stud of smelting cost.
For this reason, the technical solution that the utility model is taked is:
A kind of blast furnace cooling stave functional rehabilitation cooling stud, is made up of cylinder, wear resistant alloy outer lining, water cooling tube and stiffening web; Be coated with one deck wear resistant alloy outer lining at cylinder or elliptical cylinder-shape cartridge outer surface, be equidistantly embedded with 1 ~ 4 stiffening web and at least 2 " U " shape water cooling tubes in cylinder, in water cooling tube, be connected with heat-eliminating medium.
Described heat-eliminating medium is service water or soft water.
Described cylinder length is 200 ~ 400mm, and diameter is 60 ~ 150mm.
Described wear resistant alloy outer lining thickness is 0.5 ~ 5mm.
The beneficial effects of the utility model are:
The utility model after blast furnace cooling wall breakage, can continue to maintain its Local cooling function, makes be not less than 2 years the work-ing life of damaged cooling wall, thus can promote the capacity factor of a blast furnace more than 0.1, and effectively reduce maintaining blast furnace expense and ironmaking cost.
Accompanying drawing explanation
Fig. 1 is cooling stud outside view;
Fig. 2 is cooling stud sectional view.
In figure: wear resistant alloy outer lining 1, cylinder 2, water cooling tube 3, stiffening web 4.
Embodiment
From accompanying drawing, the utility model blast furnace cooling stave functional rehabilitation cooling stud, is made up of wear resistant alloy outer lining 1, cylinder 2, water cooling tube 3, stiffening web 4.Cylinder 2 is right cylinder or Elliptic Cylinder, and cylinder 2 outside surface is coated with one deck wear resistant alloy outer lining 1, is equidistantly embedded with 3 stiffening webs 4 and 4 " U " shape water cooling tubes 3 in solid cylinder 2, is connected with service water or soft water as heat-eliminating medium in water cooling tube 3.
Embodiment 1:
For effective heat size 450m 3blast furnace bosh damaged part, wear resistant alloy outer lining 1 thickness is 0.5mm; Cooling stud is right cylinder, and length is 200mm, and diameter is 60mm; Stiffening web 4 is 1; Water cooling tube 3 is 2, diameter 10mm, take soft water as heat-eliminating medium, cooling water pressure 0.3MPa.450m 3after blast furnace uses, effect is in table 1.
Table 1450m 3effect after blast furnace uses
Embodiment 2:
For effective heat size 4038m 3blast furnace bosh damaged part, wear resistant alloy outer lining 1 thickness is 5mm; Cooling stud is Elliptic Cylinder, and length is 400mm, and diameter is 150mm; Stiffening web 4 is 4; Water cooling tube 3 is 6, diameter 40mm, take soft water as heat-eliminating medium, cooling water pressure 1.5MPa.4038m 3after blast furnace uses, effect is in table 2.
Table 2450m 3effect after blast furnace uses

Claims (4)

1. a blast furnace cooling stave functional rehabilitation cooling stud, is characterized in that, is made up of cylinder, wear resistant alloy outer lining, water cooling tube and stiffening web; Be coated with one deck wear resistant alloy outer lining at cylinder or elliptical cylinder-shape cartridge outer surface, be equidistantly embedded with 1 ~ 4 stiffening web and at least 2 " U " shape water cooling tubes in cylinder, in water cooling tube, be connected with heat-eliminating medium.
2. blast furnace cooling stave functional rehabilitation cooling stud according to claim 1, is characterized in that, described heat-eliminating medium is service water or soft water.
3. blast furnace cooling stave functional rehabilitation cooling stud according to claim 1, is characterized in that, described cylinder length is 200 ~ 400mm, and diameter is 60 ~ 150mm.
4. blast furnace cooling stave functional rehabilitation cooling stud according to claim 1, is characterized in that, described wear resistant alloy outer lining thickness is 0.5 ~ 5mm.
CN201520922539.2U 2015-11-17 2015-11-17 Cooling column for recovering function of cooling wall of blast furnace Expired - Fee Related CN205223272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520922539.2U CN205223272U (en) 2015-11-17 2015-11-17 Cooling column for recovering function of cooling wall of blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520922539.2U CN205223272U (en) 2015-11-17 2015-11-17 Cooling column for recovering function of cooling wall of blast furnace

Publications (1)

Publication Number Publication Date
CN205223272U true CN205223272U (en) 2016-05-11

Family

ID=55898349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520922539.2U Expired - Fee Related CN205223272U (en) 2015-11-17 2015-11-17 Cooling column for recovering function of cooling wall of blast furnace

Country Status (1)

Country Link
CN (1) CN205223272U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042181A (en) * 2019-05-13 2019-07-23 武汉科技大学 A method of reply State of Blast Furnace labour later period thermic load impact

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042181A (en) * 2019-05-13 2019-07-23 武汉科技大学 A method of reply State of Blast Furnace labour later period thermic load impact

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160511

Termination date: 20211117

CF01 Termination of patent right due to non-payment of annual fee