CN202621860U - Cast-on splash guard for continuous casting crystallizer - Google Patents
Cast-on splash guard for continuous casting crystallizer Download PDFInfo
- Publication number
- CN202621860U CN202621860U CN 201220135675 CN201220135675U CN202621860U CN 202621860 U CN202621860 U CN 202621860U CN 201220135675 CN201220135675 CN 201220135675 CN 201220135675 U CN201220135675 U CN 201220135675U CN 202621860 U CN202621860 U CN 202621860U
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- CN
- China
- Prior art keywords
- splash guard
- crystallizer
- opened
- continuous cast
- cast mold
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- Expired - Lifetime
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Abstract
The utility model discloses a cast-on splash guard for a continuous casting crystallizer. The cast-on splash guard for the continuous casting crystallizer is a cylinder which is made of metal materials and of which one end is opened and the other end is provided with a bottom plate; and the bottom plate of the cast-on splash guard for the continuous casting crystallizer is provided with a circular hole. The cast-on splash guard for the continuous casting crystallizer is matched with an inner cavity of the crystallizer; the outer diameter D1 of the cast-on splash guard for the continuous casting crystallizer is smaller than the inner diameter of the crystallizer; the diameter D2 of the circular hole in the bottom plate of the cast-on splash guard for the continuous casting crystallizer is greater than the outer diameter of a porous submersed nozzle; and the height h of the cast-on splash guard for the continuous casting crystallizer is smaller than the height between the end face of a cast-on connection piece in the crystallizer and the port edge of the crystallizer, namely when the cast-on splash guard for the continuous casting crystallizer is arranged on the cast-on connection piece in the crystallizer, the bottom of cast-on splash guard for the continuous casting crystallizer is not higher than the port edge of the crystallizer.
Description
Technical field
The utility model relates to the metallurgy industry continuous cast mold to be opened and waters protective device, particularly a kind ofly is applicable to that opening of big section continuous cast mold water the splashproof device.
Background technology
Arc continuous casting tundish pouring molten steel adopts straight-through submersed nozzle to the crystallizer major part at present, compares with unlimited cast, has both reduced secondary oxidation of steel, has reduced the loss of molten steel temperature in the casting process again.Expansion along with the continuous cast mold section; Also evenly solidify for guaranteeing that molten steel is full of rapidly in the crystallizer; Adopt the porous submersed nozzle of clear opening and side perforate to water steel; Fail to be convened for lack of a quorum and be splashed to the crystallizer copper inside pipe wall and form cold steel but open when watering mouth of a river side opening steel, its consequence gently then scratches the copper pipe inwall and influences slab quality, and is heavy then cause casting bleed-out accident.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of continuous cast mold to open to water protective device.
The technical scheme of the utility model is: a kind of continuous cast mold is opened and is watered splash guard; Continuous cast mold is opened and is watered the end opening that splash guard is the manufacturing of an employing metal material, the cylindrical shell that an end is provided with a base plate, and continuous cast mold is opened the base plate that waters splash guard and is provided with a circular hole.
Described continuous cast mold is opened and is watered splash guard and crystallizer internal cavity coupling, and it is D1 that continuous cast mold is opened the external diameter that waters splash guard, and its D outer diameter 1 is less than the internal diameter of crystallizer.
It is D2 that described continuous cast mold is opened the Circularhole diameter that waters on the splash guard base plate, and its diameter D2 is greater than the external diameter of porous submersed nozzle.
It is h that described continuous cast mold is opened the height that waters splash guard; Its height h is less than being located at casting connector end face in the crystallizer to the height on crystallizer mouth edge; Promptly open when watering splash guard and resting on the casting connector in the crystallizer when continuous cast mold, continuous cast mold is opened the mouth edge that the bottom of watering splash guard is no more than crystallizer.
During use; Continuous casting whenever water time first stove open water before; Dummy bar is sent in the crystallizer, with slit between asbestos cord plugging dummy bar head and crystallizer inwall, puts into the casting connector; And it is last with iron nail in connector, to place chill, then continuous cast mold is opened and is watered splash guard and be placed on the casting connector and make it and crystallizer centering.Tundish is displaced to the cast position from baking; Reduce and adjustment tundish position; Porous submersed nozzle and continuous cast mold are opened watered splash guard centering, porous submersed nozzle insertion continuous cast mold is opened and is watered certain depth in the splash guard, opens by normal casting program and waters; Along with molten steel face in the crystallization rises, continuous cast mold is opened and is watered splash guard and fuse in the molten steel gradually.
The utility model is opened to water to compare with the straight-through submersed nozzle of prior art has following characteristics:
1, continuous cast mold opens that to water splash guard simple in structure, and continuous cast mold is opened and watered the putting by manually-operated of splash guard, and is convenient and reliable;
2, open when watering continuous cast mold and open and water splash guard and fuse in the crystallizer molten steel, do not need manual work to choose, simple to operate;
3, avoided the porous submersed nozzle to open fully watering Shi Gangliu being splashed to the phenomenon that the crystallizer copper inside pipe wall condenses into cold slag, both improved continuous casting and opened and water success rate, reduced the crystallizer inwall again and scratched influence slab quality.
Further describe below in conjunction with accompanying drawing and the specific embodiment detailed structure the utility model.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is the A-A cutaway view in the accompanying drawing 1;
Accompanying drawing 3 is opened the vertical view that waters the splash guard user mode for continuous cast mold.
The specific embodiment
A kind of continuous cast mold is opened and is watered splash guard, and continuous cast mold is opened and watered splash guard 1 is the cylindrical shell that one one end opening, an end are provided with a base plate, and continuous cast mold is opened the base plate that waters splash guard 1 and is provided with a circular hole 1-1.
Described continuous cast mold is opened and is watered splash guard 1 and crystallizer 2 inner chambers coupling, and it is D1 that continuous cast mold is opened the external diameter that waters splash guard 1, and its D outer diameter 1 is less than the internal diameter of crystallizer 2.
It is D2 that described continuous cast mold is opened the circular hole 1-1 diameter that waters on splash guard 1 base plate, and its diameter D2 is greater than the external diameter of porous submersed nozzle 3.
It is h that described continuous cast mold is opened the height that waters splash guard 1; Its height h is less than being located at casting connector end face in the crystallizer 2 to the height on 2 mouthfuls of edges of crystallizer; Promptly open when watering splash guard 1 and resting on the casting connector in the crystallizer 2 when continuous cast mold, continuous cast mold is opened the mouth edge that the bottom of watering splash guard 1 is no more than crystallizer 2.
It is sheet metal that described continuous cast mold is opened the manufactured materials that waters splash guard 1, and thickness is 1 ~ 2mm.
During use; Continuous casting whenever water time first stove open water before; Dummy bar is sent in the crystallizer 2, with slit between asbestos cord plugging dummy bar head and crystallizer 2 inwalls, puts into the casting connector; And it is last with iron nail in connector, to place chill, then continuous cast mold is opened and is watered splash guard 1 and be placed on the casting connector and make it and crystallizer 2 centerings.Tundish is displaced to the cast position from baking; Reduce and adjustment tundish position; Porous submersed nozzle 3 and continuous cast mold are opened watered splash guard 1 centering, porous submersed nozzle 3 insertion continuous cast molds are opened and are watered certain depth in the splash guard 1, open by normal casting program and water; Along with molten steel face in the crystallization rises, continuous cast mold is opened and is watered splash guard 1 and fuse in the molten steel gradually.
The continuous cast mold that adopts the utility model to provide is opened and is watered splash guard 1, has avoided porous submersed nozzle 3 to open that steel stream 4 is splashed to the phenomenon that crystallizer 2 copper pipe inwalls condense into cold slag when watering.
Claims (1)
1. a continuous cast mold is opened and watered splash guard, it is characterized in that: continuous cast mold is opened and is watered the end opening that splash guard is the manufacturing of an employing metal material, the cylindrical shell that an end is provided with a base plate, and continuous cast mold is opened the base plate that waters splash guard and is provided with a circular hole;
Described continuous cast mold is opened and is watered splash guard and crystallizer internal cavity coupling, and continuous cast mold is opened the external diameter that waters splash guard and is (D1), and its external diameter (D1) is less than the internal diameter of crystallizer;
Described continuous cast mold is opened the Circularhole diameter that waters on the splash guard base plate and is (D2), and its diameter (D2) is greater than the external diameter of porous submersed nozzle;
Described continuous cast mold is opened the height that waters splash guard and is (h); Its height (h) is less than being located at casting connector end face in the crystallizer to the height on crystallizer mouth edge; Promptly open when watering splash guard and resting on the casting connector in the crystallizer when continuous cast mold, continuous cast mold is opened the mouth edge that the bottom of watering splash guard is no more than crystallizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135675 CN202621860U (en) | 2012-03-31 | 2012-03-31 | Cast-on splash guard for continuous casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135675 CN202621860U (en) | 2012-03-31 | 2012-03-31 | Cast-on splash guard for continuous casting crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621860U true CN202621860U (en) | 2012-12-26 |
Family
ID=47375103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220135675 Expired - Lifetime CN202621860U (en) | 2012-03-31 | 2012-03-31 | Cast-on splash guard for continuous casting crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202621860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090934A (en) * | 2018-01-31 | 2019-08-06 | 宝山钢铁股份有限公司 | A method of it prevents molding bet from opening and pours molten steel splash and slag |
-
2012
- 2012-03-31 CN CN 201220135675 patent/CN202621860U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090934A (en) * | 2018-01-31 | 2019-08-06 | 宝山钢铁股份有限公司 | A method of it prevents molding bet from opening and pours molten steel splash and slag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |