CN112981036A - Method for rapidly treating blockage of charging hole of converter - Google Patents
Method for rapidly treating blockage of charging hole of converter Download PDFInfo
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- CN112981036A CN112981036A CN201911304462.1A CN201911304462A CN112981036A CN 112981036 A CN112981036 A CN 112981036A CN 201911304462 A CN201911304462 A CN 201911304462A CN 112981036 A CN112981036 A CN 112981036A
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- Prior art keywords
- converter
- drill rod
- hydraulic
- hydraulic drill
- pipe
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/466—Charging device for converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a method for rapidly treating blockage of a charging hole of a converter, which comprises a smoke hood arranged at the high position of a platform of 18 meters of the converter, wherein a charging water-cooling pipe is obliquely and upwards arranged on the wall of the smoke hood, a blanking pipe is connected onto the charging water-cooling pipe, a hydraulic drill rod penetrates through the wall of the blanking pipe in a sealing manner, the lower end of the hydraulic drill rod extends into the charging water-cooling pipe, the upper end of the hydraulic drill rod is connected with a piston rod of a hydraulic cylinder, the hydraulic drill rod is arranged along the axial direction of the charging water-cooling pipe, the hydraulic cylinder is arranged at the side part of the smoke hood of the converter, and the hydraulic drill rod is driven by the hydraulic cylinder to move.
Description
Technical Field
The invention relates to a method for rapidly treating blockage of a charging hole of a converter.
Background
Two blanking windows are designed on the north and south sides of a smoke hood of a movable section of the converter, and the blanking windows are arranged on the blanking windows of the movable smoke hood and are welded and fixed. The interior of the charging opening is cooled by circulating water, and in the smelting process, raw materials required to be added into molten steel are added into the furnace body through the charging openings on two sides. The charge door material is 45# steel, installs in activity section petticoat pipe symmetry both sides, and present service problem has the charge door near apart from the converter fire door, and the slag that splashes when the oxygen rifle oxygen blast is smelted reaches the bottom of a furnace oxygen blast slag splash of tapping back, blocks up charge door nitrogen seal ring easily, and the slag can be attached to the charge door surface, causes the charge door long-pending sediment serious.
At present, a 120t converter of a certain steel plant adopts nitrogen seal of a charging opening to prevent the charging opening from being blocked, the strength design of the nitrogen seal of the converter is possibly insufficient, and the secondary dust removal and the judgment of a steelmaking worker on carbon fire are influenced by adjusting the flow of the nitrogen seal a little bit. The other big problem is the converter operation, even if the charging opening and the nitrogen sealing have no problem, the operation is unstable, the process slagging is not good, and the charging opening can be frequently bonded with steel and slag to cause material blockage when the splashing is serious.
At present, a 120t converter can only adopt the following method for treating the blockage of a charging hole: (1) the connection part of a 18-meter platform blanking pipe of the converter and a smoke hood is subjected to oxygen cutting to cut a hole, an operator inserts a steel chisel into the blanking pipe and pokes the blanking pipe by inserting the steel chisel up and down to dredge, the surrounding space of the operation is narrow, the dust is large, the operation difficulty is large, and the dredging success rate is low; (2) if the method cannot work by the first method, the waste steel hopper can only be used, an operator stands in the waste steel hopper, the travelling crane lifts the waste steel hopper to a proper position below the smoke hood, and the operator pokes the cold steel slag around the feeding hole by using a long drill rod in the waste steel hopper so as to dredge the feeding pipe, so that the safety coefficient of the method is low, and the operation must be carried out for preparation; (3) therefore, a safe and effective treatment method is needed for treating the blockage of the charging hole of the converter.
Disclosure of Invention
The invention aims to provide a method for rapidly treating blockage of a charging hole of a converter, which can reduce the influence of blockage of a discharging hole of a smoke hood on production smelting and basically ensure normal discharging of the charging hole.
The invention aims to realize the method for quickly treating the blockage of the charging hole of the converter, which comprises a smoke hood arranged at the high position of a platform of 18 meters of the converter, wherein a charging water-cooling pipe is obliquely and upwards arranged on the wall of the smoke hood, a discharging pipe is connected to the charging water-cooling pipe, a hydraulic drill rod penetrates through the pipe wall of the discharging pipe in a sealing manner, the lower end of the hydraulic drill rod extends into the charging water-cooling pipe, the upper end of the hydraulic drill rod is connected with a piston rod of a hydraulic cylinder, the hydraulic drill rod is arranged along the axial direction of the charging water-cooling pipe, the hydraulic cylinder is arranged at the side part of the smoke hood of the converter, and the hydraulic drill rod is driven by the hydraulic cylinder to move to.
The automatic dredging device for the charging hole plug completely meets the automatic dredging of the charging hole plug through multiple operations on site, is suitable for popularization and application, has a simple and reasonable structure, does not need to be reprocessed, can be completed only by utilizing the hydraulic pump meeting the required pressure, and has higher practical value. The technology is suitable for the converter adopting the smoke hood charging hole for charging, and the similar enterprises can implement the technology with full reference, and the possibility is high. By adopting the method in the 120t converter operation area of the steel plant, the normal discharge of slag materials is improved, the manual dredging cost is reduced, and the smooth production and safety are ensured.
Drawings
The present invention will be described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The utility model provides a method of rapid processing converter charge door jam, as shown in figure 1, including installing the petticoat pipe 1 that sets up at 18 meters platform eminences in the converter, set up a reinforced water-cooled tube 2 in the petticoat pipe wall slope upwards, connecting a unloading pipe 3 on the reinforced water-cooled tube 2, a hydraulic drill rod 4 is passed to the sealed pipe wall of unloading pipe, the lower extreme of hydraulic drill rod 4 extends to reinforced water-cooled tube 2 in, the upper end of hydraulic drill rod links to each other with the piston rod of a pneumatic cylinder 5, the hydraulic drill rod is along the axial arrangement of reinforced water-cooled tube, the pneumatic cylinder is installed at the petticoat pipe lateral part of converter, drives hydraulic drill rod motion through the pneumatic cylinder and dredges the resistance elimination to the converter.
Claims (1)
1. The method for rapidly treating blockage of the charging hole of the converter comprises a smoke hood arranged at the high position of a platform of 18 meters of the converter, and is characterized in that: a feeding water-cooling pipe is obliquely and upwards arranged on the wall of the smoke hood, a blanking pipe is connected onto the feeding water-cooling pipe, a hydraulic drill rod penetrates through the pipe wall of the blanking pipe in a sealed mode, the lower end of the hydraulic drill rod extends into the feeding water-cooling pipe, the upper end of the hydraulic drill rod is connected with a piston rod of a hydraulic cylinder, the hydraulic drill rod is arranged along the axial direction of the feeding water-cooling pipe, the hydraulic cylinder is installed on the lateral portion of the smoke hood of the converter, and the hydraulic drill rod is driven by the hydraulic cylinder to move to dredge and eliminate resistance of a charging opening of the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304462.1A CN112981036A (en) | 2019-12-17 | 2019-12-17 | Method for rapidly treating blockage of charging hole of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304462.1A CN112981036A (en) | 2019-12-17 | 2019-12-17 | Method for rapidly treating blockage of charging hole of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112981036A true CN112981036A (en) | 2021-06-18 |
Family
ID=76342494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911304462.1A Pending CN112981036A (en) | 2019-12-17 | 2019-12-17 | Method for rapidly treating blockage of charging hole of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112981036A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981169A (en) * | 2021-10-18 | 2022-01-28 | 邯郸钢铁集团有限责任公司 | Telescopic blanking pipe of converter and blanking method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2081783A (en) * | 1982-10-27 | 1984-05-03 | Arbed S.A. | Delivery of solid material by blowing lance |
| CN2888071Y (en) * | 2006-04-21 | 2007-04-11 | 山东金岭铁矿 | Guide device for hydraulic breaking hammer |
| CN202013113U (en) * | 2011-01-14 | 2011-10-19 | 东营鲁方金属材料有限公司 | Non-ferrous metallurgy charging opening coke cleaning pricker of an oxygen bottom blowing converter |
| CN202543247U (en) * | 2012-03-08 | 2012-11-21 | 新疆八一钢铁股份有限公司 | Improved converter charging port device |
| CN202786315U (en) * | 2012-08-23 | 2013-03-13 | 河北钢铁股份有限公司唐山分公司 | Improved oxygen lance nitrogen seal device |
-
2019
- 2019-12-17 CN CN201911304462.1A patent/CN112981036A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2081783A (en) * | 1982-10-27 | 1984-05-03 | Arbed S.A. | Delivery of solid material by blowing lance |
| CN2888071Y (en) * | 2006-04-21 | 2007-04-11 | 山东金岭铁矿 | Guide device for hydraulic breaking hammer |
| CN202013113U (en) * | 2011-01-14 | 2011-10-19 | 东营鲁方金属材料有限公司 | Non-ferrous metallurgy charging opening coke cleaning pricker of an oxygen bottom blowing converter |
| CN202543247U (en) * | 2012-03-08 | 2012-11-21 | 新疆八一钢铁股份有限公司 | Improved converter charging port device |
| CN202786315U (en) * | 2012-08-23 | 2013-03-13 | 河北钢铁股份有限公司唐山分公司 | Improved oxygen lance nitrogen seal device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981169A (en) * | 2021-10-18 | 2022-01-28 | 邯郸钢铁集团有限责任公司 | Telescopic blanking pipe of converter and blanking method thereof |
| CN113981169B (en) * | 2021-10-18 | 2023-02-17 | 邯郸钢铁集团有限责任公司 | Telescopic blanking pipe of converter and blanking method thereof |
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Application publication date: 20210618 |
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