CN215250965U - Blast furnace stokehole slag sluiceway - Google Patents
Blast furnace stokehole slag sluiceway Download PDFInfo
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- CN215250965U CN215250965U CN202121663891.0U CN202121663891U CN215250965U CN 215250965 U CN215250965 U CN 215250965U CN 202121663891 U CN202121663891 U CN 202121663891U CN 215250965 U CN215250965 U CN 215250965U
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- slag runner
- sluiceway
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Abstract
The utility model discloses a blast furnace stokehole sluiceway, include: the slag runner outer template is fixedly connected with a slag runner inner template at the upper end through a mounting top block, a reinforcing column is mounted and connected between the slag runner outer template and the slag runner inner template, and a fixing groove is formed between the slag runner outer template and the slag runner inner template; the left end and the right end of the slag flushing groove cover plate are fixedly connected with supporting pull handles, and meanwhile, the fixture block is installed and connected with the groove on the installation jacking block; the steel mesh, steel mesh block erection joint is on the mounting groove, and the mounting groove all has to be seted up at the upper surface of sluiceway exterior sheathing and sluiceway interior sheathing. This blast furnace front slag sluiceway adopts the wear-resisting material of high strength that refractory manufacturer provided to carry out the bulk pouring to blast furnace front slag sluiceway, can effectually avoid the easy wearing and tearing of slag sluiceway, yielding, the emergence of phenomenon such as leaking.
Description
Technical Field
The utility model relates to the technical field of metallurgy, in particular to a blast furnace front slag runner.
Background
The water quenching slag process is a slag treatment mode mainly adopted by blast furnace ironmaking of our company, when high-temperature slag at 1400-1500 ℃ in a blast furnace enters a slag runner through the slag runner, water and slag runner flow into a certain intersection angle at a certain water quantity, water pressure and slag runner gradient, and is subjected to impact quenching to form qualified water slag, and during slag runner lining is greatly damaged, wherein the main damage reasons include slag runner lining erosion, acid medium corrosion, slag splashing and water splashing influence on lining surface thermal shock damage, and mechanical vibration abrasion during slag runner operation.
The slag runner of the blast furnace front flushing slag system of the new common iron works is a traditional cast steel groove type slag runner, the runner body is made of cement concrete, the inside of the runner body adopts a cast steel groove design, the cast steel grooves are assembled, the steel grooves are easy to wear, the water leakage phenomenon of the slag runner often occurs, after the slag runner is worn, the replacement operation difficulty of the steel grooves is high, the economic cost and the labor intensity of workers of the iron works are greatly increased, and therefore the slag runner with high wear resistance must be researched and developed to solve the problems.
Disclosure of Invention
An object of the utility model is to provide a blast furnace stokehole sluiceway to the sluiceway body that proposes in solving above-mentioned background art adopts the cast steel slot design for cement concrete, internal portion of ditch, because the cast steel groove is assembled for the polylith, the steel groove easily wears and teares, the sluiceway phenomenon of leaking often appears, and the back of wearing and tearing, the steel groove is changed the operation degree of difficulty and is big, has increased iron works economic cost and workman intensity of labour's problem in the very big degree.
In order to achieve the above object, the utility model provides a following technical scheme: a blast furnace front slag runner comprising:
the slag runner outer template is fixedly connected with a slag runner inner template at the upper end through a mounting top block, a reinforcing column is mounted and connected between the slag runner outer template and the slag runner inner template, and a fixing groove is formed between the slag runner outer template and the slag runner inner template;
the slag flushing channel cover plate is fixedly connected with a supporting pull handle at the left end and the right end, a clamping block is fixedly connected with the lower end of the slag flushing channel cover plate, and the clamping block is installed and connected with a groove on the installation jacking block;
the steel mesh, steel mesh block erection joint is on the mounting groove, and the mounting groove all has to be seted up at the upper surface of sluiceway exterior sheathing and sluiceway interior sheathing.
Preferably, the longitudinal sections of the outer slag runner formwork and the inner slag runner formwork are of a concave structure, the upper surfaces of the outer slag runner formwork and the inner slag runner formwork are provided with latticed mounting grooves, and the outer slag runner formwork and the inner slag runner formwork are connected with a steel mesh through the mounting grooves in a pouring mode.
Preferably, the longitudinal section of the installation ejector block is in a U-shaped structure, the width of the installation ejector block is equal to the sum of the thickness of the outer template of the slag runner, the thickness of the inner template of the slag runner and the thickness of the fixed groove, and the connection mode between the installation ejector block and the fixture block fixedly connected with the lower end of the cover plate of the slag runner is clamping connection;
the lower end of the slag flushing groove cover plate is fixedly connected with a separation plate, a dust cover is fixedly connected between the single bodies of the separation plate, and the dust cover is of a hollow structure.
Preferably, reinforcing columns in a cylindrical structure are connected between the outer slag runner template and the inner slag runner template in a penetrating manner, the reinforcing columns are uniformly distributed between the outer slag runner template and the inner slag runner template at equal intervals, and the diameter of the longitudinal section of each reinforcing column is equal to the size of the interval between the outer slag runner template and the inner slag runner template.
Compared with the prior art, the beneficial effects of the utility model are that: according to the blast furnace front slag runner, the high-strength wear-resistant material provided by a refractory manufacturer is adopted to integrally cast the blast furnace front slag runner, so that the phenomena of easy abrasion, easy deformation, water leakage and the like of the slag runner can be effectively avoided;
1. the reinforcing column is arranged between the slag runner outer template and the slag runner inner template, so that the slag runner outer template and the slag runner inner template are conveniently reinforced, the use is convenient, and the deformation and water leakage are avoided;
2. the slag runner cover plate is clamped and installed on the installation jacking block through the clamping block, so that the slag runner outer template and the slag runner inner template are conveniently covered, the installation and the disassembly are convenient, the blast furnace front slag runner work is conveniently protected, and the outward splashing is avoided, and the use is influenced;
3. the slag runner outer formwork and the slag runner inner formwork are both cast by high-strength acid-resistant wear-resistant castable, and the mass fraction ratio of the high-strength acid-resistant wear-resistant castable is as follows: corundum: 70% -80%; quartz sand: 8% -18%; high aluminum: 5% -8%; 2% -5% of stainless steel fibers; 1% -2% of other added materials, and removing the template after curing for 16-24 hours, and putting the template into use.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the whole structure of the slag flushing groove cover plate of the present invention;
FIG. 3 is a schematic view of the connecting structure of the outer mold plate and the inner mold plate of the slag sluiceway of the present invention;
fig. 4 is a schematic view of the whole structure of the slag sluiceway external form and steel mesh connection of the utility model.
In the figure: 1. an outer template of the slag runner; 2. an inner template of the slag runner; 3. a reinforcement column; 4. installing a top block; 5. a slag flushing ditch cover plate; 6. supporting the pull handle; 7. a clamping block; 8. a partition plate; 9. a dust cover; 10. mounting grooves; 11. a steel mesh; 12. and fixing the grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a blast furnace front slag runner comprises a slag runner outer template 1, a slag runner inner template 2, a reinforcing column 3, an installation jacking block 4, a slag runner cover plate 5, a support pull handle 6, a clamping block 7, a partition plate 8, a dust cover 9, an installation groove 10, a steel mesh 11 and a fixing groove 12.
When the blast furnace front slag runner is used, firstly, as shown in a figure 1, a figure 2 and a figure 3, a fixing groove 12 is formed between an outer slag runner template 1 and an inner slag runner template 2, and reinforcing columns 3 are installed and connected in the fixing groove 12 at equal intervals, so that the overall strength of the outer slag runner template 1 and the inner slag runner template 2 is reinforced and the blast furnace front slag runner is convenient to use;
meanwhile, the slag flushing ditch cover plate 5 is clamped and installed on the installation jacking block 4 through the clamping block 7, so that the upper end opening of the slag flushing ditch inner template 2 can be conveniently covered, splashing of blast furnace slag flushing in the slag flushing ditch inner template 2 is avoided, shielding treatment is convenient, use is convenient, the slag flushing ditch cover plate 5 is partitioned by the partition plate 8, a dust cover 9 is conveniently and fixedly connected, the dust cover 9 is used for ventilating and radiating the slag flushing ditch inner template 2, cooling treatment and dust protection are convenient, and meanwhile, the installation and disassembly of the support pull handle 6 are convenient;
as shown in fig. 1 and 4, the outer surfaces of the slag runner outer formwork 1 and the slag runner inner formwork 2 are respectively provided with a mounting groove 10, and a steel mesh 11 is clamped and mounted on the mounting groove 10, so that the strength of the poured slag runner outer formwork 1 and the poured slag runner inner formwork 2 is enhanced, the phenomena of abrasion, deformation, water leakage and the like are avoided in actual use, and the service life is prolonged conveniently;
in addition, the high-strength acid-resistant wear-resistant castable used by the slag runner outer template 1 and the slag runner inner template 2 comprises the following components in percentage by mass: corundum: 70% -80%; quartz sand: 8% -18%; high aluminum: 5% -8%; 2% -5% of stainless steel fibers; 1% -2% of other additive materials, and during pouring, the following steps are adopted:
firstly, uniformly stirring according to the construction proportion of the high-strength acid-resistant wear-resistant castable, and strictly controlling the water addition amount without excessive dilution;
secondly, the original slag flushing ditch cover plate 5, the slag flushing ditch outer template 1 and the slag flushing ditch inner template 2 are dismantled and cleaned;
thirdly, mounting the prefabricated slag runner outer template 1 and the steel mesh 11 and carrying out primary pouring, wherein the primary pouring is bottom pouring, and after pouring, compacting, tamping and curing are needed for 2 hours;
fourthly, installing the inner formwork 2 of the slag runner, reserving the thickness of the castable lining body on two sides of the inner formwork 2 of the slag runner, carrying out secondary pouring, and using vibration equipment to cooperate with pouring on vertical plates on two sides of the poured slag runner in the pouring process.
Fifthly, the template is removed after curing for 16-24 hours and put into use, which is the whole process of using the blast furnace front slag runner.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a blast furnace stokehold slag runner which characterized in that: the method comprises the following steps:
the slag runner structure comprises a slag runner outer template (1), wherein the upper end of the slag runner outer template (1) is fixedly connected with a slag runner inner template (2) through a mounting top block (4), a reinforcing column (3) is mounted and connected between the slag runner outer template (1) and the slag runner inner template (2), and a fixing groove (12) is formed between the slag runner outer template (1) and the slag runner inner template (2);
the slag flushing groove cover plate (5) is characterized in that the left end and the right end of the slag flushing groove cover plate (5) are fixedly connected with supporting pull handles (6), the lower end of the slag flushing groove cover plate (5) is fixedly connected with a clamping block (7), and meanwhile the clamping block (7) is installed and connected with a groove on the installation jacking block (4);
steel mesh (11), steel mesh (11) block erection joint is on mounting groove (10), and mounting groove (10) all have to be seted up at the upper surface of sluiceway exterior sheathing (1) and sluiceway interior sheathing (2).
2. The blast furnace stokehole slag runner according to claim 1, characterized in that: the longitudinal section of sluiceway exterior sheathing (1) and sluiceway interior sheathing (2) all is "concave" style of calligraphy structure, and the upper surface of sluiceway exterior sheathing (1) and sluiceway interior sheathing (2) all offers and is latticed mounting groove (10), simultaneously sluiceway exterior sheathing (1) and sluiceway interior sheathing (2) all pour through mounting groove (10) and steel mesh (11) and are connected.
3. The blast furnace stokehole slag runner according to claim 1, characterized in that: the longitudinal section of the installation ejector block (4) is of a U-shaped structure, the width of the installation ejector block (4) is equal to the sum of the thickness of the slag flushing groove outer template (1), the thickness of the slag flushing groove inner template (2) and the thickness of the fixing groove (12), and meanwhile, the connection mode between the installation ejector block (4) and the fixture block (7) fixedly connected with the lower end of the slag flushing groove cover plate (5) is clamping connection;
the lower end of the slag flushing ditch cover plate (5) is fixedly connected with a partition plate (8), a dust cover (9) is fixedly connected between the single bodies of the partition plate (8), and meanwhile the dust cover (9) is of a hollow structure.
4. The blast furnace stokehole slag runner according to claim 2, characterized in that: the slag runner structure is characterized in that reinforcing columns (3) which are of a cylindrical structure are connected between the slag runner outer formwork (1) and the slag runner inner formwork (2) in a penetrating mode, the reinforcing columns (3) are evenly distributed between the slag runner outer formwork (1) and the slag runner inner formwork (2) at equal intervals, and the diameter of the longitudinal section of each reinforcing column (3) is equal to the size of the interval between the slag runner outer formwork (1) and the slag runner inner formwork (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663891.0U CN215250965U (en) | 2021-07-21 | 2021-07-21 | Blast furnace stokehole slag sluiceway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663891.0U CN215250965U (en) | 2021-07-21 | 2021-07-21 | Blast furnace stokehole slag sluiceway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215250965U true CN215250965U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121663891.0U Active CN215250965U (en) | 2021-07-21 | 2021-07-21 | Blast furnace stokehole slag sluiceway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215250965U (en) |
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2021
- 2021-07-21 CN CN202121663891.0U patent/CN215250965U/en active Active
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