CN107236838A - Blast furnace cooling device - Google Patents
Blast furnace cooling device Download PDFInfo
- Publication number
- CN107236838A CN107236838A CN201710646971.7A CN201710646971A CN107236838A CN 107236838 A CN107236838 A CN 107236838A CN 201710646971 A CN201710646971 A CN 201710646971A CN 107236838 A CN107236838 A CN 107236838A
- Authority
- CN
- China
- Prior art keywords
- cooling
- blast furnace
- bar body
- wall
- equipment
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 205
- 239000000498 cooling water Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 229910001018 Cast iron Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 5
- 235000019628 coolness Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009851 ferrous metallurgy Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 25
- 239000002893 slag Substances 0.000 description 13
- 239000011241 protective layer Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009865 steel metallurgy Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention provides a blast furnace cooling device, which belongs to the field of ferrous metallurgy, and is arranged on the inner wall of a blast furnace shell and comprises a cooling wall and at least one cooling strip, wherein the cooling wall is provided with a hot surface facing a blast furnace chamber, the cooling strip is arranged on the hot surface and comprises a cooling strip body and two cooling water pipes, a cooling water channel arranged along the axial direction of the cooling strip body is arranged in the cooling strip body, the cooling water channel is provided with a water outlet and a water inlet, the water inlet and the water outlet are both communicated with the cooling water pipes, one end of each cooling water pipe is hermetically connected with the cooling strip body, and the other end of each cooling water pipe penetrates through the cooling wall and the blast furnace shell. The blast furnace cooling device has the advantages of simple structure, easy manufacture, stable performance and good cooling effect.
Description
Technical field
The invention belongs to field of steel metallurgy, more particularly to a kind of cooling equipment for blast furnace.
Background technology
Blast furnace cooling stave can protect furnace shell, support refractory material, it is desirable to filling as the visual plant of blast-furnace body
The cooling capacity of foot, can be taken away the heat that it is passed in stove by cooling water, it is desirable to which the working heat face of cooling wall can
Form slag crust protective layer and serve as working lining, resistance hot-fluid impact.To meet above-mentioned functions, cooling wall needs to be provided simultaneously with abundance
Cooling capacity and good mechanical performance.
Theory and practice research is it has been shown that the bosh of blast furnace, furnace bosh, the longevity of restoration of lower stack not exclusively depend on fire resisting
Material, but whether can be worked reliably and with long-term depending on cooling device.It was verified that to allow cooling device to work reliably and with long-term, must
Must be by stable slag crust, slag crust is best " liner ", and stable slag crust can effectively protect cooling wall, improve the life of the blast furnace.
For cast iron (cast steel) cooling wall, the thermal conductivity factor of its material is relatively low, and cooling effect is poor, it is difficult to which generation is stable to deposit
Slag crust protective layer.Copper cooling wall is due to its good capacity of heat transmission, with good cooling effect, can be formed in the short time
Slag crust, its use is considered as solving bosh, furnace bosh, restoration of lower stack life problems.But, use of the copper cooling wall in China
It is unsatisfactory, the situation that large area is damaged is occurred in that on large quantities of blast furnaces.The fatal defects of copper cooling wall are undercoolings,
Slag crust frequently comes off, unstable so that cooling wall body constantly be in naked state, constantly bear high temperature gas flow wash away, chemistry
Erosion, high-temp. furnace material abrasion etc., finally cause copper cooling wall to damage.
In addition, full copper cooling wall is generally fine copper casting or copper coin Drilling operation is formed, amount of copper consuming is big, manufacture is difficult, valency
Lattice are expensive.In order to realize that steel and copper reduce cost on the premise of performance with mutual supplement with each other's advantages economically, guarantee cooling effect, closely
It is a little to occur in that the Combined cooling wall that copper steel is combined year.Combined cooling wall is to carry out welding processing using copper coin and steel plate mostly
The cooling wall of bimetal structure is made, it is internally formed cooling-water duct, improves cooling effect.The weldering of this Combined cooling wall
Seam length is very big, and weld seam easily ftractures under hot soak condition, drainage occurs.
Based on above reason, inventor make full use of cast iron (cast steel) cooling wall mechanical performance and copper material (or steel or
Cast iron) and the good heat conductivility of cooling circulating water, enhanced type highly efficient cooling device is have developed, to overcome lacking for prior art
Fall into, it is ensured that prolonging campaign.
The content of the invention
It is an object of the invention to provide a kind of cooling equipment for blast furnace, its simple in construction, easy making, performance stabilization, cooling
Effect is good.
To reach above-mentioned purpose, the present invention proposes a kind of cooling equipment for blast furnace, on last furnace shell inwall, wherein,
The cooling equipment for blast furnace includes cooling wall and at least one cooling bar, and the cooling wall has the heat towards the blast furnace chamber
Face, the cooling bar is arranged on the hot face, and the cooling bar includes cooling bar body and two cooling water pipes, the cooling
There is in bar body the cooling-water duct that the axial direction along the cooling bar body is opened up, the cooling-water duct have delivery port and
Water inlet, the water inlet and the delivery port connect the cooling water pipe, one end of the cooling water pipe and the cooling
Bar body is tightly connected, and the other end of the cooling water pipe runs through the cooling wall and the last furnace shell.
Cooling equipment for blast furnace as described above, wherein, the cooling bar body is that copper cools down bar body.
Cooling equipment for blast furnace as described above, wherein, the cooling water pipe is integrally formed with the cooling bar body
Copper pipe.
Cooling equipment for blast furnace as described above, wherein, the cooling bar body is that steel cools down bar body or cast iron cooling
Bar body.
Cooling equipment for blast furnace as described above, wherein, the cooling wall is cast-iron cooling wall or cast steel cooling wall.
Cooling equipment for blast furnace as described above, wherein, the cooling device includes multiple cooling bars, multiple described cold
But bar is arranged at intervals.
Cooling equipment for blast furnace as described above, wherein, have on the hot face and be provided with multiple spaced grooves, each
A cooling bar body is equipped with the groove.
Cooling equipment for blast furnace as described above, wherein, the cooling bar body protrudes from the hot face.
Cooling equipment for blast furnace as described above, wherein, multiple grooves are opened up in the horizontal direction.
Cooling equipment for blast furnace as described above, wherein, the water inlet and the delivery port are opened in the cooling bar
The one side of the body dorsad blast furnace chamber.
Compared with prior art, the invention has the characteristics that and advantage：
Cooling wall and cooling bar are relatively independent in cooling equipment for blast furnace proposed by the present invention, and cooling wall and cooling bar can be selected
Processed with different materials, the material of satisfactory mechanical property can be selected by playing the cooling wall of protection and supporting role, be risen cold
But the cooling bar acted on can be from thermal conductivity factor height, the material of good cooling results, and then make it that cooling equipment for blast furnace is integrally same
When possess the cooling capacity and good mechanical performance of abundance, also achieve performance and mutual supplement with each other's advantages economically.
The thermal conductivity factor of its cooling bar body of cooling equipment for blast furnace proposed by the present invention is high, and the high cooling of thermal conductivity factor
Bar internal circulation cooling water, cooling bar body is higher by cooling wall surface, is conducive to cooling bar body efficient heat transfer, quickly forms slag
Skin protective layer, protection cooling bar body.Multiple cooling bar arranged for interval, the slag crust protective layer of each cooling bar, which is connected with each other, turns into one
Individual entirety, can effectively protect whole cooling device, extend its service life.
Its simple in construction, easy making of cooling equipment for blast furnace proposed by the present invention.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended in any way limit model disclosed by the invention
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematical, the understanding of the present invention is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the axonometric drawing of cooling equipment for blast furnace installation situation of the present invention；
Fig. 2 is the top view of cooling equipment for blast furnace installation situation of the present invention；
Fig. 3 is the axonometric drawing of cooling bar in the present invention；
Fig. 4 is the sectional view of cooling bar in the present invention；
Fig. 5 is the axonometric drawing of cooling wall in the present invention；
Fig. 6 is the top view of cooling wall in the present invention.
Description of reference numerals：
100 cooling equipments for blast furnace；110 cooling walls；
111 hot faces；112 grooves；
113 through holes；120 cooling bars；
121 cooling bar bodies；122 cooling-water ducts；
123 delivery ports；124 water inlets；
125 cooling water pipes；200 furnace shells.
Embodiment
With reference to the description of accompanying drawing and the specific embodiment of the invention, the details of the present invention can be clearly understood.But
It is, the embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands in any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
Fig. 1 to Fig. 6 is refer to, the present invention carries a kind of cooling equipment for blast furnace 100, on the inwall of last furnace shell 200,
The cooling equipment for blast furnace 100 includes cooling wall 110 and at least one cooling bar 120, and cooling wall 110 has towards blast furnace chamber
Hot face 111, cooling bar 120 is arranged on hot face 111, and cooling bar 120 includes having in cooling bar body 121, cooling bar body
The cooling-water duct 122 opened up along the axial direction of cooling bar body 121, cooling-water duct 122 has delivery port 123 and water inlet
124, water inlet 124 and delivery port 123 are communicated with cooling water pipe 125, one end and the cooling bar body 121 of cooling water pipe 125
It is tightly connected, the other end of cooling water pipe 125 runs through cooling wall 110 and last furnace shell 200.
Cooling wall 110 and cooling bar 120 are relatively independent in cooling equipment for blast furnace 100 proposed by the present invention, the He of cooling wall 110
Cooling bar 120 can be processed from different materials, played the cooling wall 110 of protection and supporting role and can be selected mechanicalness
The good material of energy, the cooling bar 120 for playing cooling effect can be from thermal conductivity factor height, the material of good cooling results, and then makes
Cooling equipment for blast furnace be integrally provided simultaneously with abundance cooling capacity and good mechanical performance, also achieve performance with economically
Mutual supplement with each other's advantages.
Its simple in construction, easy making of cooling equipment for blast furnace 100 proposed by the present invention.
In an optional example of the invention, cooling bar body 121 is that copper cools down bar body.Because copper material has well
Heat conductivility, in the presence of recirculated cooling water in flowing through the internal cooling aquaporin 122 of cooling bar body 121, cool down bar 120
Blast furnace internal heat can be quickly transmitted, with sufficient cooling capacity.And, can be rapidly cold because heat conductivility is good
But the surface of bar body 121 forms slag crust protective layer, reduces abrasion of the blast furnace materials inside to cooling bar body 121.
In an optional example of the invention, cooling water pipe 125 is and the cooling integrally formed copper pipe of bar body 121.
The sealing between cooling water pipe 125 and cooling bar body 121 is ensure that, while also improving the overall machinery of cooling bar 120
Intensity.
In the present invention, cooling water pipe 125 is connected after passing through cooling wall 110 and furnace shell 200 with blast furnace external water cooling system
Connect, realize that cooling circulating water constantly flows through cooling duct 122, and then realize the cooling effect of cooling bar 120.
In an optional example of the invention, cooling wall 110 is cast-iron cooling wall or cast steel cooling wall.It is not only fully sharp
With the good mechanical performance of iron material and copper material, the manufacturing cost of whole cooling equipment for blast furnace 100 is also reduced.
In an optional example of the invention, cooling equipment for blast furnace 100 includes multiple cooling bars 120, multiple cooling bars
120 are arranged at intervals.The spaced cooling phenomenon that bar 120 avoids full copper cooling wall undercooling, slag crust frequently comes off, shape
The surface of cooling equipment for blast furnace 100 proposed by the present invention is covered in after being connected with each other into stable slag crust protective layer, can be effective
Whole cooling device is protected, is increased the service life.
In an optional example of the invention, there are multiple spaced grooves 112, each groove on hot face 111
A cooling bar body 121 is placed with 112.
In an optional example, multiple grooves 112 are opened up in the horizontal direction, and also level is set cooling bar body 121
It is placed in corresponding groove 112.
In another optional example, multiple grooves 112 are vertically set, and cooling bar body 121 is vertically arranged
In in corresponding groove 112.
Cooling equipment for blast furnace 100 proposed by the present invention makes blast furnace cold by the support of 112 pairs of cooling bar bodies 121 of groove
But device 100 has higher mechanical performance on the whole.
In an optional example of the invention, cooling bar body 121 protrudes from hot face 11, and further ensuring to fill
Divide to utilize and cool down the good heat conductivility of cooling water circulation in the copper material of bar body 121 and cooling-water duct 122.Simultaneously as strong
Effective heat transfer of cooling bar 120 is changed so that cooling bar 120 can quickly form slag crust protective layer, and then more effectively protect
Cool down bar 120.
In an optional example of the invention, the bottom surface of groove 112 offers the through hole for wearing cooling water pipe 125
113.Through hole 113 is not only easy to passing through for cooling water pipe 125, moreover it is possible to play spacing and fixation to cooling water pipe 125 so that
The cooling bar body 121 being connected with cooling water pipe 125 can be more securely arranged in groove 112.
In an optional example of the invention, water inlet 124 and delivery port 123 are opened in cooling bar body 121 and carried on the back
To the one side (also referred to as huyashi-chuuka (cold chinese-style noodles)) of the blast furnace chamber, cooling bar body 121 is close on the bottom surface of groove 112.
Certainly, the material of cooling bar body 121 is not limited to copper in the present invention, it would however also be possible to employ steel or cast iron, or
Other known material well known to those skilled in the art can also be used；The material of cooling wall 110 can also use this area skill
Other known material known to art personnel；Wherein, during selection, the material of cooling bar body 121 mainly considers its heat conductivility, cold
But the material of wall 110 mainly considers its mechanical performance and economical price, herein without repeating.
In another optional example of the invention, cooling bar 120 is assembled by cooling bar body 121 and cooling water pipe 125
Form, the diversified forms connection such as cooling bar body 121 and cooling water pipe can be connected through a screw thread, clamping or welding cools down bar
The material of body 121 and the material of cooling water pipe 125 can be the same or different.
In another of the invention optional example, cooling bar body 121 and cooling water pipe 125 be integrally formed casting and
Into the material of cooling bar body 121 and the material of cooling water pipe 125 can be the same or different.
For explaining in detail for the respective embodiments described above, its purpose is only that to explain to the present invention, in order to be able to
The present invention is more fully understood, still, these descriptions can not be particularly with any explanation into being limitation of the present invention,
Each feature described in different embodiments can also be mutually combined, so that other embodiment is constituted, except having
Opposite description is specified, these features should be understood to be applied in any one embodiment, and be not limited merely to
Described embodiment.
Claims (10)
1. a kind of cooling equipment for blast furnace, on last furnace shell inwall, it is characterised in that the cooling equipment for blast furnace includes cold
But wall cools down bar with least one, and the cooling wall has towards the hot face of the blast furnace chamber, and the cooling bar is arranged on institute
State on hot face, the cooling bar includes having along described cold in cooling bar body and two cooling water pipes, the cooling bar body
But the cooling-water duct that the axial direction of bar body is opened up, the cooling-water duct has a delivery port and water inlet, the water inlet and
The delivery port is respectively communicated with the cooling water pipe, and one end of the cooling water pipe is tightly connected with the cooling bar body, institute
The other end for stating cooling water pipe runs through the cooling wall and the last furnace shell.
2. cooling equipment for blast furnace as claimed in claim 1, it is characterised in that the cooling bar body is that copper cools down bar body.
3. cooling equipment for blast furnace as claimed in claim 2, it is characterised in that the cooling water pipe is and the cooling bar body
Integrally formed copper pipe.
4. cooling equipment for blast furnace as claimed in claim 1, it is characterised in that the cooling bar body is that steel cools down bar body
Or cast iron cooling bar body.
5. cooling equipment for blast furnace as claimed in claim 1, it is characterised in that the cooling wall is that cast-iron cooling wall or cast steel are cold
But wall.
6. cooling equipment for blast furnace as claimed in claim 1, it is characterised in that the cooling device includes multiple coolings
Bar, multiple cooling bars are arranged at intervals.
7. cooling equipment for blast furnace as claimed in claim 6, it is characterised in that have on the hot face and be arranged at intervals provided with multiple
Groove, be equipped with a cooling bar body in each groove.
8. cooling equipment for blast furnace as claimed in claim 7, it is characterised in that the cooling bar body protrudes from the hot face.
9. cooling equipment for blast furnace as claimed in claim 7, it is characterised in that multiple grooves are opened up in the horizontal direction.
10. cooling equipment for blast furnace as claimed in any of claims 1 to 8 in one of claims, it is characterised in that the water inlet and described
Delivery port is opened in the one side of the cooling bar body dorsad blast furnace chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646971.7A CN107236838A (en) | 2017-08-01 | 2017-08-01 | Blast furnace cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646971.7A CN107236838A (en) | 2017-08-01 | 2017-08-01 | Blast furnace cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107236838A true CN107236838A (en) | 2017-10-10 |
Family
ID=59988997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710646971.7A Pending CN107236838A (en) | 2017-08-01 | 2017-08-01 | Blast furnace cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107236838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959140A (en) * | 2022-07-02 | 2022-08-30 | 南京金桓电子科技有限公司 | Integrated seamless cooling wall for blast furnace |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563607A (en) * | 1979-06-20 | 1981-01-14 | Kawasaki Steel Corp | Furnace body cooler of blast furnace |
| JP2000104106A (en) * | 1998-09-29 | 2000-04-11 | Nkk Corp | Stave for metallurgical furnace |
| CN1380426A (en) * | 2002-01-23 | 2002-11-20 | 张昭贵 | Bimetal cooling wall and its production method |
| CN1456687A (en) * | 2003-01-09 | 2003-11-19 | 孙健 | High conductive copper-steel composite cast cooling wall of blast furnace |
| CN201785414U (en) * | 2010-09-13 | 2011-04-06 | 中冶京诚工程技术有限公司 | Copper-steel integrated cooling plate device |
| CN202519275U (en) * | 2012-04-13 | 2012-11-07 | 中冶京诚工程技术有限公司 | Combined cooling wall |
| CN205077080U (en) * | 2015-10-30 | 2016-03-09 | 武汉钢铁(集团)公司 | Copper -steel compound type blast furnace cooling wall |
| CN207002769U (en) * | 2017-08-01 | 2018-02-13 | 中冶京诚工程技术有限公司 | Blast furnace cooling device |
-
2017
- 2017-08-01 CN CN201710646971.7A patent/CN107236838A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563607A (en) * | 1979-06-20 | 1981-01-14 | Kawasaki Steel Corp | Furnace body cooler of blast furnace |
| JP2000104106A (en) * | 1998-09-29 | 2000-04-11 | Nkk Corp | Stave for metallurgical furnace |
| CN1380426A (en) * | 2002-01-23 | 2002-11-20 | 张昭贵 | Bimetal cooling wall and its production method |
| CN1456687A (en) * | 2003-01-09 | 2003-11-19 | 孙健 | High conductive copper-steel composite cast cooling wall of blast furnace |
| CN201785414U (en) * | 2010-09-13 | 2011-04-06 | 中冶京诚工程技术有限公司 | Copper-steel integrated cooling plate device |
| CN202519275U (en) * | 2012-04-13 | 2012-11-07 | 中冶京诚工程技术有限公司 | Combined cooling wall |
| CN205077080U (en) * | 2015-10-30 | 2016-03-09 | 武汉钢铁(集团)公司 | Copper -steel compound type blast furnace cooling wall |
| CN207002769U (en) * | 2017-08-01 | 2018-02-13 | 中冶京诚工程技术有限公司 | Blast furnace cooling device |
Non-Patent Citations (1)
| Title |
|---|
| 刘奇等: "铜钢复合冷却壁热变形分析" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959140A (en) * | 2022-07-02 | 2022-08-30 | 南京金桓电子科技有限公司 | Integrated seamless cooling wall for blast furnace |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |
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