CN220352158U - Blast furnace buried pipe type furnace throat steel brick - Google Patents
Blast furnace buried pipe type furnace throat steel brick Download PDFInfo
- Publication number
- CN220352158U CN220352158U CN202321793112.8U CN202321793112U CN220352158U CN 220352158 U CN220352158 U CN 220352158U CN 202321793112 U CN202321793112 U CN 202321793112U CN 220352158 U CN220352158 U CN 220352158U
- Authority
- CN
- China
- Prior art keywords
- steel
- cooling water
- steel brick
- water pipe
- pipe
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 239000011449 brick Substances 0.000 title claims abstract description 49
- 239000000498 cooling water Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009933 burial Methods 0.000 claims 3
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000003723 Smelting Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a blast furnace buried pipe type furnace throat steel brick, which relates to the technical field of supporting facilities of an ironmaking blast furnace and comprises a steel brick base body, wherein a cooling water pipe is embedded in the steel brick base body, a hanging ring is fixedly arranged in the middle of the right end of the steel brick base body, the water inlet end and the water outlet end of the cooling water pipe extend out of the left end of the steel brick base body respectively, and pipe caps are respectively covered on the water inlet end and the water outlet end of the cooling water pipe; the beneficial effects are that: the cooling water pipe adopts the 20 steel seamless steel pipe with the wall thickness of more than 7mm, the part of the cooling water pipe, which is embedded in the steel brick matrix, is protected by the protective sleeve, and the measures can effectively prevent molten steel from melting through the cooling water pipe, avoid the phenomenon that the cooling water pipe burns through in the casting process of molten steel, avoid the cracking or rapid abrasion of the steel body caused by local overheating, reduce the rejection rate, reduce the production cost and realize high heat conductivity, and the cooling water pipe can adapt to the cooling working condition of a large blast furnace body.
Description
Technical Field
The utility model relates to the technical field of supporting facilities of an iron-making blast furnace, in particular to a blast furnace buried pipe type furnace throat steel brick.
Background
In recent years, with the application of a new technology of blast furnace smelting, the blast furnace smelting coefficient can reach more than 3.0, and even the individual manufacturer can reach more than 4.0, which puts higher demands on the usability of spare parts of the blast furnace. The throat steel brick is an important part of blast furnace equipment, and the service life of the throat steel brick directly influences the overhaul period of the blast furnace and the service life of the blast furnace. In order to meet the requirement of reinforced smelting of the blast furnace, each metallurgical steel design institute starts the development and design of water-cooled steel bricks, and the basic principle is to apply the steel bricks to be introduced with circulating water for cooling so as to resist the surrounding high-temperature severe environment and improve the service life of the steel bricks, thereby improving the service life of the blast furnace body and achieving the purpose of prolonging the service life of the blast furnace. For a long time, cavity type water-cooling furnace throat steel bricks are adopted in the industry, and water leakage is very easy to occur at the joint of the cooling water inlet and outlet pipe and the cavity; the large-cavity water circulation dead angle is very easy to occur, local overheating occurs to cause cracking or rapid abrasion of the steel body, great trouble is brought to equipment maintenance and production safety, the service life of the blast furnace is finally influenced, the buried pipe type furnace throat steel brick of the blast furnace is designed, meanwhile, the phenomenon that the steel body is cracked or rapidly abraded and water leakage is very easy to occur due to local overheating is avoided, and the cooling performance is good, very urgent and necessary.
Disclosure of Invention
The utility model aims to solve the problems and provide a blast furnace embedded pipe type furnace throat steel brick.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a stirring device in fermentation cylinder, includes the steel brick base member, the inside pre-buried condenser tube that has of steel brick base member, fixed mounting has rings in the middle of the steel brick base member right-hand member, condenser tube's water inlet end and play water end extend respectively the steel brick base member left end, condenser tube's water inlet end and play water end are gone up to be covered respectively and are equipped with the pipe cap.
Preferably: bolt holes are formed in the steel brick matrix in a left-right penetrating mode.
Preferably: and the part of the cooling water pipe corresponding to the steel brick base body is sleeved with a protective sleeve.
Preferably: the left end of the protection sleeve extends to form a steel brick base body, and a sealing ring is arranged between the protection sleeve and the cooling water pipe in a blocking manner.
Compared with the prior art, the utility model has the beneficial effects that: the cooling water pipe adopts the 20 steel seamless steel pipe with the wall thickness of more than 7mm, the part of the cooling water pipe, which is embedded in the steel brick matrix, is protected by the protective sleeve, and the measures can effectively prevent molten steel from melting through the cooling water pipe, avoid the phenomenon that the cooling water pipe burns through in the casting process of molten steel, avoid the cracking or rapid abrasion of the steel body caused by local overheating, reduce the rejection rate, reduce the production cost and have high heat conductivity, and can adapt to the cooling working condition of a large blast furnace body.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural view of a blast furnace pipe-embedded type furnace throat steel brick according to the present utility model.
The reference numerals are explained as follows:
1. a steel brick matrix; 2. a cooling water pipe; 3. a protective sleeve; 4. a seal ring; 5. a tube cap; 6. a hanging ring; 7. bolt holes.
Description of the embodiments
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1, a blast furnace buried pipe type furnace throat steel brick comprises a steel brick matrix 1, wherein a cooling water pipe 2 is embedded in the steel brick matrix 1, a lifting ring 6 is fixedly installed in the middle of the right end of the steel brick matrix 1, the lifting ring 6 plays a convenient lifting role, the water inlet end and the water outlet end of the cooling water pipe 2 respectively extend to the left end of the steel brick matrix 1, pipe caps 5 are respectively covered on the water inlet end and the water outlet end of the cooling water pipe 2, and the pipe caps 5 prevent other sundries from entering the cooling water pipe 2.
The inside of the steel brick base body 1 is provided with bolt holes 7 in a left-right penetrating way, and the bolt holes 7 can penetrate square bolts to be connected with the furnace shell, so that a fastening effect is achieved.
The cooling water pipe 2 is sleeved with a protective sleeve 3 corresponding to the steel brick base body, so that the cooling water pipe 2 is ensured not to deform and not to melt in the pouring process of the steel brick base body 1; the cooling water pipe 2 and the protective sleeve 3 are both 20 steel seamless steel pipes.
The left end of the protection sleeve 3 extends to form a steel brick matrix, a sealing ring 4 is arranged between the protection sleeve 3 and the cooling water pipe 2 in a blocking manner, and the sealing ring 4 is used for sealing between the cooling water pipe 2 and the protection sleeve 3 and also avoids leakage of blast furnace gas.
The steel brick matrix 1 is cast by adopting common engineering cast carbon steel ZG 270-500.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a blast furnace buried pipe type furnace throat steel brick, includes steel brick base (1), its characterized in that: the novel steel brick is characterized in that a cooling water pipe (2) is embedded in the steel brick base body (1), a hanging ring (6) is fixedly installed in the middle of the right end of the steel brick base body (1), the water inlet end and the water outlet end of the cooling water pipe (2) extend out of the left end of the steel brick base body (1) respectively, and pipe caps (5) are respectively covered on the water inlet end and the water outlet end of the cooling water pipe (2).
2. A blast furnace burial pipe type furnace throat steel brick according to claim 1, wherein: bolt holes (7) are formed in the steel brick base body (1) in a left-right penetrating mode.
3. A blast furnace burial pipe type furnace throat steel brick according to claim 1, wherein: the cooling water pipe (2) is sleeved with a protective sleeve (3) corresponding to the steel brick base body.
4. A blast furnace burial pipe type furnace throat steel brick according to claim 3, wherein: the left end of the protection sleeve (3) extends to form a steel brick matrix, and a sealing ring (4) is arranged between the protection sleeve (3) and the cooling water pipe (2) in a blocking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321793112.8U CN220352158U (en) | 2023-07-10 | 2023-07-10 | Blast furnace buried pipe type furnace throat steel brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321793112.8U CN220352158U (en) | 2023-07-10 | 2023-07-10 | Blast furnace buried pipe type furnace throat steel brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352158U true CN220352158U (en) | 2024-01-16 |
Family
ID=89477380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321793112.8U Active CN220352158U (en) | 2023-07-10 | 2023-07-10 | Blast furnace buried pipe type furnace throat steel brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352158U (en) |
-
2023
- 2023-07-10 CN CN202321793112.8U patent/CN220352158U/en active Active
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