CN211161896U - Molten metal casting ladle capable of preventing refractory material from falling off - Google Patents
Molten metal casting ladle capable of preventing refractory material from falling off Download PDFInfo
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- CN211161896U CN211161896U CN201921999036.XU CN201921999036U CN211161896U CN 211161896 U CN211161896 U CN 211161896U CN 201921999036 U CN201921999036 U CN 201921999036U CN 211161896 U CN211161896 U CN 211161896U
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Abstract
The application relates to a molten metal casting ladle capable of preventing refractory materials from falling off. The application prevent molten metal that refractory material drops and water a ladle and include: the steel shell, the middle casting layer and the formed bricks are placed in the steel shell, a gap is formed between the formed shape and the steel shell, and the middle casting layer is filled in the gap; a liquid guide groove is formed downwards on the top surface of the forming brick, and a liquid outlet matched with the liquid guide groove is formed at one end of the steel shell, so that materials in the liquid guide groove can flow out of the liquid outlet; said intermediate castingThe layer comprises Al2O3And (5) casting the layer. The application prevent molten metal that refractory material drops and water a ladle and have the advantage of avoiding refractory material to drop, guaranteeing the quality of casting liquid.
Description
Technical Field
The application relates to a casting ladle, in particular to a molten metal casting ladle capable of preventing refractory materials from falling off.
Background
The casting ladle is a high-temperature liquid containing container for casting, is used for casting operation in a casting shop, is used for receiving molten metal, is fixed in position and is turned over by hydraulic drive. The method is divided into a ladle, a teapot bag, a ductile iron bag and the like.
The copper liquid casting ladle is an intermediate container in the copper liquid casting process, the outer side of the copper liquid casting ladle is a steel structure steel shell, and the interior of the copper liquid casting ladle is filled with refractory materials.
The construction method of the refractory material comprises the steps of taking a casting ladle steel shell as an outer die, placing a special-shaped inner die manufactured according to production requirements in the outer die, forming a casting cavity between the outer die and the inner die, casting the refractory material in the casting cavity, naturally drying, drying and the like, and putting the refractory material into use.
The refractory material directly contacts with the high-temperature copper liquid in the using process, the refractory material of the casting ladle in the form is influenced by factors such as high-temperature copper liquid scouring and temperature change in the using process, the refractory material is easy to fall off, peel off and corrode, the refractory material enters the copper liquid to influence the purity of the copper liquid, a filter plate is blocked, and the quality of a cast product is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a molten metal ladle in which a refractory is prevented from dropping, which has an advantage of effectively preventing the refractory from dropping, thereby ensuring the quality of cast molten metal.
The molten metal casting ladle capable of preventing refractory materials from falling comprises a steel shell, an intermediate casting layer and a formed brick, wherein the formed brick is placed in the steel shell, a gap is formed between the formed brick and the steel shell, and the intermediate casting layer is filled in the gap;
a liquid guide groove is formed downwards on the top surface of the forming brick, and a liquid outlet matched with the liquid guide groove is formed at one end of the steel shell, so that materials in the liquid guide groove can flow out of the liquid outlet;
the intermediate casting layer comprises Al2O3And (5) casting the layer.
Prevent molten metal casting ladle that refractory material drops, through set up middle casting layer between shaped brick and steel casing to middle casting layer includes Al2O3A casting layer is poured, so that when the formed brick contains high-temperature molten metal, the formed brick is formedThe inside and outside difference in temperature of brick reduces, and then avoids droing of refractory material on the shaping brick, has guaranteed the quality of molten metal.
Furthermore, the steel shell comprises side plates and a bottom plate, wherein the side plates are sequentially enclosed, and the bottoms of the side plates are fixed with the bottom plate to form a structure with an open top.
Further, the length of the shaped bricks is shorter than the length of the steel shell so as to form a containing cavity in the steel shell;
one end of the liquid guide groove is communicated with the liquid outlet, and the other end of the liquid guide groove is communicated with the accommodating cavity.
Further, the liquid guide groove comprises a straight section and a bent section, the bent section is gradually reduced and the narrow end of the bent section is communicated with the liquid outlet, the expanding end of the bent section is connected with one end of the straight section, and the other end of the straight section is connected with the accommodating cavity.
Further, the steel shell further comprises a hanging lug, a hanging hole is formed in the hanging lug, and the hanging lugs are uniformly fixed on the side plate.
Furthermore, the steel shell also comprises a reinforcing rib plate, and the reinforcing rib plate is fixed with any two adjacent hanging lugs and is fixedly connected with the side plate.
Further, still include the filter screen, be formed with the spacing groove on the shaping brick, the filter screen is placed in this spacing inslot to filter the material in guide liquid groove.
Further, the slag blocking device also comprises a slag blocking net which is arranged at the top of the liquid guide groove so as to intercept coarse materials circulating at the top of the liquid guide groove.
Further, the fixing column is fixed between the steel shell and the forming brick.
Further, the formed brick is of an integrally formed structure and comprises a silicon nitride brick.
For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of an exemplary refractory spalling prevention molten metal ladle of the present application with a removed intermediate cast layer;
FIG. 2 is a schematic top view of an exemplary refractory spallation prevention molten metal ladle of the present application with the intermediate casting layer removed;
FIG. 3 is a semi-sectional view of an exemplary refractory break-off prevention molten metal ladle of the present application.
Detailed Description
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.
FIG. 1 is a schematic perspective view of an exemplary refractory spalling prevention molten metal ladle (with the intermediate casting layer removed) of the present application; FIG. 2 is a schematic top view of an exemplary refractory spalling prevention molten metal ladle (with the intermediate casting layer removed) of the present application; FIG. 3 is a semi-sectional view of an exemplary refractory break-off prevention molten metal ladle of the present application. Referring to fig. 1 to 3, an exemplary refractory drop-off prevention molten metal ladle of the present application includes a steel shell 10, an intermediate casting layer 30, and a shaped brick 20, wherein the shaped brick 20 is placed in the steel shell 10, and a gap is formed between the shaped brick and the steel shell 10, and the intermediate casting layer 30 is filled in the gap;
a liquid guide groove 50 is formed downwards on the top surface of the forming brick 20, and a liquid outlet 40 matched with the liquid guide groove 50 is formed at one end of the steel shell 10, so that the material in the liquid guide groove 50 can flow out from the liquid outlet 40;
the intermediate casting layer 30 includes Al2O3And (5) casting the layer. Al (Al)2O3The casting layer is a high-temperature refractory material layer and has good high-temperature resistance.
In some preferred embodiments, the steel casing 10 includes side plates 11 and a bottom plate 13, and a plurality of the side plates 11 are sequentially enclosed, and the bottom of the side plates 11 is fixed to the bottom plate 13 and forms a top-opening structure. The side plates 11 are connected in sequence and form a frame in an enclosing way, and the bottom plate 13 covers the bottom surface of the frame. In some further embodiments, the steel casing 10 further comprises a sloping plate 12, a plurality of sloping plates 12 are sequentially connected and enclosed at the bottom of the side plates 11, and the bottom surface of the sloping plates 12 is connected with the bottom plate 13, so that the steel casing 10 forms a "boat" -like structure. Therefore, when the molten metal is poured outwards, the molten metal cannot remain at corners, and the high-temperature molten metal at the splicing part between the plates is not easy to cool, so that the circulation of the molten metal is ensured, and the solidification is prevented.
The molten metal casting ladle capable of preventing the refractory material from falling can be used for containing high-temperature molten metal and is mainly used for containing high-temperature molten copper.
In some preferred embodiments, the length of the shaped bricks 20 is shorter than the length of the steel shell 10 to form a receiving cavity 70 within the steel shell 10; one end of the liquid guiding groove 50 is communicated with the liquid outlet 40, and the other end is communicated with the accommodating cavity 70. The forming brick 20 has a shorter length than the steel shell 10 and travels inside the steel shell 10 to the receiving chamber 70 to receive more molten metal.
In some preferred embodiments, the liquid guiding groove 50 includes a straight section 51 and a curved section 52, the curved section 52 is tapered and has a narrow end communicating with the liquid outlet 40, a widened end of the curved section 52 is connected to one end of the straight section 51, and the other end of the straight section 51 is connected to the accommodating cavity 70. After the molten metal passes through the straight passage 51, the flowing direction changes in the curved passage 52, and the flow area of the curved passage 52 gradually decreases, so that the flow rate of the molten metal is increased, and the molten metal rapidly and accurately flows out from the liquid outlet 40. Meanwhile, the bend section 52 enables a part of large particle substances to be deposited while changing the flowing direction of the liquid, and the quality of the outflow materials is improved.
In some preferred embodiments, the steel shell 10 further includes a hanging lug 14, a hanging hole is formed in the hanging lug 14, and the hanging lugs 14 are uniformly fixed on the side plate 11. When the casting ladle is replaced, the casting ladle is connected with the hoisting equipment through the hanging holes in the hanging lugs 14, and the hanging lugs 14 are hoisted through the hoisting equipment, so that the whole casting ladle is lifted and taken out.
When the casting ladle of this application uses, through connecting on the casting device to make the molten metal that prevents that refractory material of this application drops to water the ladle through hydraulic drive and rotate, make its slope, thereby make things convenient for the casting.
In some preferred embodiments, the steel shell 10 further includes a reinforcing rib 15, and the reinforcing rib 15 is fixed to any two adjacent hanging lugs 14 and is fixedly connected to the side plate 11. The arrangement of the reinforcing rib plates 15 can enhance the connection strength of the hanging lugs 14 and the side plates 11, and the stability of the hanging lugs 14 is guaranteed.
In some preferred embodiments, a filter screen (not shown) is further included, a limiting groove 61 is formed on the forming brick 20, and the filter screen is placed in the limiting groove 61 to filter the material in the liquid guide groove 50. A filter screen is arranged for blocking particulate matters in the materials which flow through the liquid guide groove 50, thereby ensuring the quality of the effluent liquid.
In some preferred embodiments, a slag blocking net (not shown) is further included, and the slag blocking net is arranged at the top of the liquid guide groove 50 to intercept coarse materials circulating at the top of the liquid guide groove 50. In some further aspects, at least two slag blocking nets are provided, and the two slag blocking nets are respectively arranged at the front end and the rear end of the filter screen to intercept large-particle materials in the circulation direction of the liquid guide groove 50. And the slag blocking net is mainly used for blocking materials on the top of the liquid level. Furthermore, the forming brick 20 is provided with a slag blocking groove 62, and the slag blocking groove 62 is used for placing a slag blocking net.
In some preferred embodiments, the fixing post (not shown) is further included and fixed between the steel casing 10 and the forming brick 20. The fixing posts are used for fixing the steel housing 10 and the forming bricks 20, and when the intermediate casting layer 30 is not cast, the forming bricks 20 are fixed with the steel housing 10 by the fixing posts, and a gap is left for casting the intermediate casting layer 30.
In some preferred embodiments, the shaped brick 20 is a one-piece structure and comprises a silicon nitride brick.
In some preferred embodiments, the length of the intermediate casting layer is shorter than the length of the steel shell 10, so that the receiving cavity 70 in the steel shell 10 is sufficiently large.
The application also provides a manufacturing method of the molten metal casting ladle capable of preventing the refractory material from falling off, which comprises the following steps: and processing and integrally forming the forming brick 20, placing the integrally formed forming brick 20 in the steel shell 10, and fixing the forming brick 20 and the steel shell 10 through fixing columns so as to leave a gap between the forming brick 20 and the steel shell 10. In some preferred embodiments, the gap has a width of 20-40 mm. After the gap is formed, a casting material is injected into the gap. In some preferred embodiments, the casting compound comprises Al2O3And (5) casting the material. The filling of the casting material can reduce the temperature difference between the inside and the outside of the refractory material in the shaped brick 20, thereby preventing the refractory material on the shaped brick 20 from falling off.
In some preferred embodiments, after integrally forming the shaped brick 20, the method further comprises the steps of: drying, sintering in a cellar and slowly cooling. By the manufacturing method, the formed brick 20 forms a compact surface, and further cracks are prevented from being formed on the formed brick 20 or the surface of the formed brick 20 falls off when the forming brick is used.
In the present application, the shaped bricks 20 comprise silicon nitride bricks, which may be Si3N4And (3) bricks.
The working principle of the molten metal casting ladle for preventing the refractory material from falling comprises the following steps:
the high-temperature molten metal or the high-temperature molten copper is poured into the middle of the liquid guide groove 50 and flows into the accommodating cavity 70. During the use, the upset of hydraulic drive metal liquid casting ladle for liquid outlet 40 downward sloping for the metal liquid in the chamber 70 that holds flows out after flowing through liquid guide groove 50 and liquid outlet 40, the metal liquid is when flowing through liquid guide groove 50, and the velocity of flow changes, and the flow direction also changes, and is intercepted by filter screen and sediment trapping net after, finally flows out high-quality metal liquid from liquid outlet 40.
The molten metal casting ladle capable of preventing the refractory material from falling reduces the falling and stripping of the refractory material, prevents the refractory material from being corroded to cause damage, ensures the purity of molten metal and improves the production quality; furthermore, the service life of the molten metal casting ladle is prolonged.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. The utility model provides a prevent molten metal pouring ladle that refractory material drops which characterized in that: the steel casing is internally provided with a steel casing, an intermediate casting layer and a forming brick, wherein the forming brick is placed in the steel casing, a gap is formed between the forming brick and the steel casing, and the intermediate casting layer is filled in the gap;
a liquid guide groove is formed downwards on the top surface of the forming brick, and a liquid outlet matched with the liquid guide groove is formed at one end of the steel shell, so that materials in the liquid guide groove can flow out of the liquid outlet;
the intermediate casting layer comprises Al2O3And (5) casting the layer.
2. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 1, wherein: the steel shell comprises side plates and a bottom plate, wherein the side plates are sequentially enclosed, and the bottoms of the side plates are fixed with the bottom plate to form a structure with an open top.
3. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 2, wherein: the length of the forming brick is shorter than that of the steel shell so as to form a containing cavity in the steel shell;
one end of the liquid guide groove is communicated with the liquid outlet, and the other end of the liquid guide groove is communicated with the accommodating cavity.
4. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 3, wherein: the liquid guide groove comprises a straight path section and a curve path section, the curve path section is in a gradually reducing shape, the narrow end of the curve path section is communicated with the liquid outlet, the expanding end of the curve path section is connected with one end of the straight path section, and the other end of the straight path section is connected with the accommodating cavity.
5. The molten metal casting ladle for preventing the refractory from dropping off according to claim 4, wherein: the steel shell further comprises a hanging lug, hanging holes are formed in the hanging lug, and the hanging lugs are uniformly distributed and fixed on the side plates.
6. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 5, wherein: the steel shell further comprises a reinforcing rib plate, and the reinforcing rib plate is fixed with any two adjacent hanging lugs and fixedly connected with the side plates.
7. The molten metal ladle for preventing the refractory from dropping off as set forth in any one of claims 1 to 6, wherein: the forming brick is characterized by further comprising a filter screen, a limiting groove is formed in the forming brick, and the filter screen is placed in the limiting groove to filter materials in the liquid guide groove.
8. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 7, wherein: the slag blocking net is arranged at the top of the liquid guide groove to intercept coarse materials circulating at the top of the liquid guide groove.
9. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 8, wherein: the fixing column is fixed between the steel shell and the forming brick.
10. The molten metal casting ladle for preventing the refractory from dropping off as set forth in claim 9, wherein: the forming brick is of an integrally formed structure and comprises a silicon nitride brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999036.XU CN211161896U (en) | 2019-11-19 | 2019-11-19 | Molten metal casting ladle capable of preventing refractory material from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999036.XU CN211161896U (en) | 2019-11-19 | 2019-11-19 | Molten metal casting ladle capable of preventing refractory material from falling off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211161896U true CN211161896U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921999036.XU Active CN211161896U (en) | 2019-11-19 | 2019-11-19 | Molten metal casting ladle capable of preventing refractory material from falling off |
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| Country | Link |
|---|---|
| CN (1) | CN211161896U (en) |
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- 2019-11-19 CN CN201921999036.XU patent/CN211161896U/en active Active
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