CN2808359Y

CN2808359Y - Multifunctional heat-preservation box for ingot mold

Info

Publication number: CN2808359Y
Application number: CN 200520071028
Authority: CN
Inventors: 严世鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-25
Filing date: 2005-04-25
Publication date: 2006-08-23
Anticipated expiration: 2015-04-25

Abstract

The utility model relates to a multifunctional heat preservation cap of ingot moulds. The utility model is characterized in that an upper opening of the heat preservation cap is a semi-closed cap top; an exhaust opening in shape of a cone frustum is arranged on the cap top; annular heat insulation grooves are arranged round the cap body of the heat preservation cap; a heat insulation plate is installed on the inner side of each of the heat insulation groove; rest hollow cavities of the heat insulation grooves are filled with heat insulation filling material; a positioning plate is arranged on the outer lateral surface on the periphery of the bottom of the cap body of the heat preservation cap; lifting lugs are uniformly distributed and arranged on the outer lateral surface of the cap body of the heat preservation cap; a steel cover plate with vent holes, which can deflect, is installed on the upper opening of the exhaust opening in shape of a cone frustum by using a pin shaft. When steel ingots are cast, the cap body can be preheated and heated quickly by fiery air flow and can store heat; heat dissipation caused by radiation inside the cap body can not happen easily because of the insulation functions of the heat insulation plate and the heat insulation filling material inside the heat insulation grooves, so that molten steel can effectively fill contracting holes of the steel ingots, and the purposes of the improvement of the rate of finished products of the ends of the steel ingots and lower crop end rate of the steel ingots can be obtained; the utility model has the advantages of rational structure, safe operation and good quality of steel products.

Description

Ingot mould multifunctional heat insulating cap

Technical field

The utility model belongs to ingot casting, especially relates to a kind of hot top of ingot mould.

Background technology

Now be used for the hot top of cast steel with ingot mould, it mostly is the hot top of uncovered shape, rapid heat dissipation, heat accumulation is few, and cooling is fast, a large amount of dust from flying when not only pouring into a mould, severe exacerbation production environment, and the residual shrinkage cavity of steel ingot of cast is dark and permeate nonmetal impurities and free slag, and crop rate height had reduced lumber recovery when steel ingot cogging was rolling.

Summary of the invention

The purpose of this utility model provides a kind of ingot mould multifunctional heat insulating cap, can purify production environment effectively when not only pouring into a mould steel ingot, and can absorb, store the heat that red-hot molten steel comes out, make molten steel obtain insulation, slow cooling, reduce the steel ingot shrinkage cavity effectively, the butt ingot rate is low, the lumber recovery height, and ingot quality is good.

The purpose of this utility model is achieved like this: a kind of ingot mould multifunctional heat insulating cap, be fitted in place the top end face of ingot mould die body, it is characterized in that the suitable for reading of hot top is semi-enclosed crown, the truncated cone exhaust outlet is set on the crown, have annular heat dam around the cap body of hot top, the installed inside heat-insulating shield of heat dam is filled adiabatic inserts, as yellow ground, asbestos fibre in remaining cavity of heat dam; Penetrate because of the width of cloth and dispel the heat with regard to reducing hot top widely like this; the molten steel of ingot mould hot top can be incubated effectively; slow cooling; the bottom of while hot top cap body hollow; its cross section is corresponding consistent with the top end face of the ingot mould die body that is equipped with; its corresponding driving fit in plane, top peripheral and the ingot mould die body; on the cap body bottom periphery lateral surface of hot top, location-plate is set; the uniform hanger that is provided with of symmetry on the external side of the cap of hot top; in addition; the steel deck-plate that deflectable band passage is installed with bearing pin suitable for reading at the truncated cone exhaust outlet; in the time will pouring into a mould steel ingot; hot top is winched to the die body top end face; automatically locate driving fit by location-plate; then pour steel; the rise hole of red-hot molten steel from ingot mould die body bottom enters in the die body and rises gradually; red-hot air-flow is discharged the rapid upper punch of normal temperature air that has oxidisability in the space in the die body from exhaust outlet; have the reproducibility high-temperature gas in the die body and guarantee that molten steel is not subjected to secondary oxidation; molten steel is steadily risen; do not produce skull patch; when molten steel rises arrives hot top cap body space position; red-hot air-flow is with the rapid preheating of cap body; heat and store heat; because the heat-insulating shield in the heat dam; the iris action of adiabatic inserts; heat in the cap body is not easy to penetrate because of the width of cloth and scatters and disappears; make molten steel fill up the shrinkage hole of steel ingot effectively; reach and improve the ingot head lumber recovery; the purpose that the butt ingot rate is low; when molten steel is raised in the truncated cone exhaust outlet simultaneously; the free slag of separating out in the molten steel is concentrated the flat effect of playing the insulation of binding on the top of exhaust outlet of applying; having substituted original cast steel ingot effectively need hang covering slag so on the one hand; hang heat-insulating shield; add the function and the effect of exothermic mixture; can eliminate dust pollution effectively; purify production environment; reduced the consumption of above-mentioned auxiliary material; when the cast steel ingot; deflection steel deck-plate as required; observe the rising situation of the molten steel in the ingot mould; gas in the discharging die body, and can close exhaust outlet at any time with insulation.

The ingot mould multifunctional heat insulating cap that the utility model is carried is reasonable, safe and reliable, and the butt ingot of being poured into a mould is few, the lumber recovery height, and quality is good.

Now the ingot mould multifunctional heat insulating cap of in conjunction with the accompanying drawings and embodiments the utility model being carried is further described.

Description of drawings

Fig. 1 is the main cross-sectional schematic of the ingot mould multifunctional heat insulating cap carried of the utility model.

Fig. 2 is the schematic top plan view of the ingot mould multifunctional heat insulating cap carried of the utility model.

Among Fig. 1: 1, die body 2, cap body 3, heat dam 4, heat-insulating shield 5, crown 6, exhaust outlet 7, bearing pin 8, steel deck-plate 9, location-plate

Among Fig. 2: 10, hanger

Specific implementation method

From Fig. 1, Fig. 2 as can be seen: a kind of ingot mould multifunctional heat insulating cap, be fitted in place the top end face of ingot mould die body 1, it is characterized in that the suitable for reading of hot top is semi-enclosed crown 5, truncated cone exhaust outlet 6 is set on the crown 5, have annular heat dam 3 around the cap body 2 of hot top, the installed inside heat-insulating shield 4 of heat dam 3 is filled adiabatic inserts, as yellow ground, asbestos fibre in remaining cavity of heat dam 3; Penetrate because of the width of cloth and dispel the heat with regard to reducing hot top widely like this; the molten steel of ingot mould hot top can be incubated effectively; slow cooling; the bottom of while hot top cap body 2 hollows; its cross section is corresponding consistent with the top end face of the ingot mould die body 1 that is equipped with; its corresponding driving fit in plane, top peripheral and ingot mould die body 1; on the cap body 2 bottom periphery lateral surfaces of hot top, location-plate 9 is set; the uniform hanger 10 that is provided with of symmetry on cap body 2 lateral surfaces of hot top; in addition; the steel deck-plate 8 that deflectable band passage is installed with bearing pin 7 suitable for reading at truncated cone exhaust outlet 6; in the time will pouring into a mould steel ingot; hot top is winched to die body 1 top end face; by location-plate 9 location driving fit automatically; then pour steel; the rise hole of red-hot molten steel from ingot mould die body 1 bottom enters in the die body 1 and rises gradually; red-hot air-flow is discharged the rapid upper punch of normal temperature air that has oxidisability in the space in the die body 1 from exhaust outlet 6; have the reproducibility high-temperature gas in the die body 1 and guarantee that molten steel is not subjected to secondary oxidation; molten steel is steadily risen; do not produce skull patch; when molten steel rises arrives position, hot top cap body 2 space; red-hot air-flow is with the 2 rapid preheatings of cap body; heat and store heat; because the heat-insulating shield 4 in the heat dam 3; the iris action of adiabatic inserts; heats in the cap body 2 are not easy to penetrate because of the width of cloth and scatter and disappear; make molten steel fill up the shrinkage hole of steel ingot effectively; reach and improve the ingot head lumber recovery; the purpose that the butt ingot rate is low; when molten steel is raised in the truncated cone exhaust outlet 6 simultaneously; the free slag of separating out in the molten steel is concentrated the flat effect of playing the insulation of binding on the top of exhaust outlet 6 of applying; having substituted original cast steel ingot effectively need hang covering slag so on the one hand; hang heat-insulating shield; add the function and the effect of exothermic mixture; can eliminate dust pollution effectively; purify production environment; when the cast steel ingot; the deflection steel deck-plate 8 as required; observe the rising situation of the molten steel in the ingot mould; gas in the discharging die body 1, and can close exhaust outlet 6 at any time with insulation.

Claims

1, a kind of ingot mould multifunctional heat insulating cap is characterized in that:

The suitable for reading of a, hot top is semi-enclosed crown (5), truncated cone exhaust outlet (6) is set on the crown (5), the cap body (2) of hot top has annular heat dam (3) all around, and the installed inside heat-insulating shield (4) of heat dam (3) is filled adiabatic inserts in remaining cavity of heat dam (3);

The bottom of b, hot top cap body (2) hollow, its cross section is corresponding consistent with the top end face of the ingot mould die body (1) that is equipped with, its corresponding driving fit in plane, top peripheral and ingot mould die body (1);

C, on cap body (2) the bottom periphery lateral surface of hot top, location-plate (9) is set, the uniform hanger (10) that is provided with of symmetry on cap body (2) lateral surface of hot top, the steel deck-plate (8) of deflectable band passage is installed at the usefulness bearing pin suitable for reading (7) of truncated cone exhaust outlet (6) in addition.