CN216297919U - Balling bag with balling chamber and pregnancy chamber arranged independently - Google Patents
Balling bag with balling chamber and pregnancy chamber arranged independently Download PDFInfo
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- CN216297919U CN216297919U CN202122371393.5U CN202122371393U CN216297919U CN 216297919 U CN216297919 U CN 216297919U CN 202122371393 U CN202122371393 U CN 202122371393U CN 216297919 U CN216297919 U CN 216297919U
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Abstract
The utility model discloses a spheroidizing ladle with an independently arranged spheroidizing chamber and a pregnant chamber, which comprises a spheroidizing ladle body, wherein the bottom in the spheroidizing ladle body is provided with the spheroidizing chamber, and the spheroidizing chamber is arranged close to the side where a casting nozzle is arranged; the inner peripheral wall of the spheroidizing bag body is also provided with at least one pregnancy room; a nodulizer layer is filled in the nodulizing chamber, an inoculant layer covers the nodulizer layer, and only the inoculant layer is filled in the inoculant chamber; according to the spheroidizing bag, the spheroidizing chamber and the multiple pregnancy chambers are arranged in the spheroidizing bag, so that multiple inoculation can be completed in the same spheroidizing bag, the problem of serious chilling tendency of molten iron after one-time spheroidizing is avoided, the molten iron can be inoculated for multiple times after the spheroidizing agent is dissolved, the whole spheroidizing inoculation effect is enhanced, the formation of crystal nuclei can be promoted, the effective nucleation rate of graphite is greatly improved, the number of graphite spheres is increased, the matrix structure can be refined, and finally the performance of a casting is ensured.
Description
Technical Field
The utility model relates to the technical field of foundry ladles, in particular to a spheroidizing ladle with an independently arranged spheroidizing chamber and a pregnant chamber.
Background
In the prior casting production process, a spheroidizing chamber and an inoculation chamber of a spheroidizing bag are both provided with a dam in the middle of the diameter of the spheroidizing bag, and the spheroidizing chamber and the inoculation chamber are both arranged at one part. The nodulizer is filled at the bottom, the inoculant is filled at the upper part for nodulizing and inoculation, the nodulizer inoculant can be piled up into a peak during filling, the chilling tendency of molten iron after one-time nodulizing is serious, the nodulizer is contacted with the nodulizer only after the inoculant is melted off in the molten iron, and then the nodulizing effect is generated, so that the late inoculation effect is lost, and the nodulizing inoculation is failed.
For example, in 2021, a ladle for improving spheroidization of oversized ductile cast iron was disclosed in the chinese utility model patent (publication No. CN212577457U), in which two spheroidizing chambers were disposed in the ladle, but the spheroidizing chambers were still disposed at the bottom, and there was no progressive relationship and no effect of multi-stage inoculation.
Disclosure of Invention
The utility model aims to provide a balling ladle with a balling chamber and a pregnancy chamber which are independently arranged, aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a balling ladle with an independent balling chamber and a pregnant chamber comprises a balling ladle body, wherein rotating shafts are arranged on two sides of the outer wall of the balling ladle body, one of the rotating shafts is connected with a driving shaft, a pouring nozzle is further arranged on the edge of the upper end face of the balling ladle body, the horizontal central axis of the pouring nozzle is perpendicular to the central axis of the rotating shaft, the balling chamber is arranged at the inner bottom of the balling ladle body, and the balling chamber is arranged close to the side where the pouring nozzle is located; the inner peripheral wall of the balling ladle body is also provided with at least one pregnancy-breeding chamber, the height of the pregnancy-breeding chamber is not lower than the upper end surface of the balling chamber, and the vertical depth of a single pregnancy-breeding chamber is not deeper than that of the balling chamber; the nodulizing chamber is filled with a nodulizing agent layer, an inoculant layer covers the nodulizing agent layer, and only the inoculant layer is filled in the inoculant chamber.
According to the spheroidizing bag, the spheroidizing chamber and the multiple pregnancy chambers are arranged in the spheroidizing bag, so that multiple inoculation can be completed in the same spheroidizing bag, on one hand, the problem of serious chilling tendency of molten iron after one-time spheroidizing is avoided, on the other hand, the molten iron can still be inoculated for multiple times after the spheroidizing agent is dissolved, the subsequent inoculation effect is ensured, the whole spheroidizing inoculation effect is strengthened, the formation of crystal nuclei can be promoted, the effective nucleation rate of graphite is greatly improved, the number of graphite spheres is increased and refined, the matrix structure can also be refined, and finally the performance of a casting is ensured.
After the structure of the spheroidizing ladle is adopted, repeated ladle pouring operation is not needed for spheroidizing inoculation, the complicated operation of manually adding the inoculant is avoided, the danger of ladle pouring inoculation is avoided, and the inoculant is not needed to be manually added in the molten iron pouring process, so that time and labor are saved; the arrangement of a special stream inoculation device can be reduced, so that the tooling cost is reduced, and the safety is better ensured; the pouring operation flow is simplified, and the production efficiency is improved.
Further, balling room is for setting up the balling room dyke-dam of this internal bottom of balling package with the open-ended cavity in top that balling package body's inner wall encloses, balling room dyke-dam is the arc dyke-dam, balling room dyke-dam's thickness is 100 ~ 250mm, balling room dyke-dam sets up the package bottom radius 1/3 department of balling package body, the height of balling room dyke-dam with balling package body capacity becomes direct proportion relation setting.
Will balling chamber sets up the ladle bottom radius 1/3 department of balling ladle body, and be close to it sets up to water mouth one side, is convenient for pack in proper order when using at every turn on the one hand, and the influence of the horizontal davit in top of packing in-process not receiving balling ladle, and on the other hand when the molten iron is gone into, the molten iron can fall into the region of the other 2/3 of ladle bottom earlier, avoids direct impact balling chamber avoids directly rushing away nodulizer and inoculant, can let the molten iron slowly submerge balling chamber.
Further, the capacity of the spheroidizing bag is less than 10 tons, and the height of a dam of the spheroidizing chamber is 150-200 mm; a spheroidizing bag with the capacity of 10-20 tons, wherein the height of a dam of the spheroidizing chamber is 200-250 mm; the capacity is the balling package more than 20 tons, the height of balling chamber dykes and dams is 250 ~ 400 mm. According to the size of the ladle capacity, different heights of the spheroidizing chamber dams are arranged to increase the addition amount of a spheroidizing agent and an inoculant, so that the ladle is targeted.
Further, the pregnancy and breeding chamber is arranged at the 1/3 or 2/3 height of the balling ladle body, and the circumferential length of the single pregnancy and breeding chamber is 1/5-1/8 of the inner circumference of the balling ladle body.
The plurality of the pregnant rooms are arranged up and down according to a certain gradient, molten iron can gradually immerse the inoculants to achieve the effect of step-by-step inoculation, the molten iron poured into the last section can be inoculated, and the molten iron is generally positioned above and below the 4/5 position in order to ensure that the molten iron is poured into the spheroidizing bag to be not full. The two pregnancy chambers which are arranged in staggered positions are beneficial to uniformly dispersing the inoculant in the molten iron for many times and are convenient to be filled respectively.
Further, the inoculation chamber comprises an inoculation chamber bottom plate connected with the inner wall of the spheroidizing bag body, an arc-shaped inoculation chamber dam is arranged on the inoculation chamber bottom plate, and the inoculation chamber bottom plate, the inoculation chamber dam and the inner wall of the spheroidizing bag body form the inoculation chamber; the maximum extension length of the bottom plate of the inoculation chamber is 100mm, the height of the dam of the inoculation chamber is 80-120 mm, and the thickness of the dam of the inoculation chamber is 70-150 mm.
The pregnant room dykes and dams are also arc-shaped, the bottom plate of the pregnant room protrudes outwards from the interior of the ladle body to form a supporting platform, the extending length of the bottom plate of the pregnant room is not longer, so that the smooth pouring of molten iron is not influenced, the molten iron is prevented from impacting the pregnant room when being poured, the molten iron is poured from the side of the pouring nozzle after the arrangement, the cavities can be naturally avoided, and the pouring difficulty of the molten iron is not increased.
Further, the pregnant chamber is one, and a single pregnant chamber is arranged at the opposite side of the spheroidizing chamber; or the two pregnancy and breeding chambers are arranged up and down, the two pregnancy and breeding chambers are arranged on two sides of the spheroidizing chamber in a staggered mode, or the two pregnancy and breeding chambers are arranged on two sides of the central axis of the rotating shaft.
Furthermore, silicon steel sheets or thin steel sheets are covered above the spheroidizing chamber and the pregnancy and breeding chamber.
Compared with the prior art, the utility model has the beneficial effects that: 1. according to the spheroidizing bag, the spheroidizing chamber and the multiple pregnancy chambers are arranged in the spheroidizing bag simultaneously, so that multiple inoculation can be completed in the same spheroidizing bag, on one hand, the problem of serious chilling tendency of molten iron after one-time spheroidizing is avoided, on the other hand, the molten iron can still be inoculated for multiple times after the spheroidizing agent is dissolved, the subsequent inoculation effect is ensured, the whole spheroidizing inoculation effect is enhanced, the formation of crystal nuclei can be promoted, the effective nucleation rate of graphite is greatly improved, the number of graphite spheres is increased and refined, the matrix structure can also be refined, and finally the performance of a casting is ensured; 2. after the structure of the spheroidizing ladle is adopted, repeated ladle pouring operation is not needed for spheroidizing inoculation, the complicated operation of manually adding the inoculant is avoided, the danger of ladle pouring inoculation is avoided, and the inoculant is not needed to be manually added in the molten iron pouring process, so that the time and the labor are saved; the arrangement of a special stream inoculation device can be reduced, so that the tooling cost is reduced, and the safety is better ensured; the pouring operation flow is simplified, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the whole structure of a balling ladle with a balling chamber and a pregnancy chamber which are independently arranged;
FIG. 2 is a schematic view of the internal structure of a balling ladle with a balling chamber and a pregnancy chamber separately installed according to the present invention;
FIG. 3 is a schematic top view of a balling ladle with a balling chamber and a pregnancy chamber separately installed according to the present invention;
FIG. 4 is a schematic view of the internal structure of another balling ladle with a balling chamber and a pregnancy chamber separately installed according to the present invention;
FIG. 5 is a schematic top view of another alternative balling ladle with a balling chamber and a pregnancy chamber separately installed in accordance with the present invention;
in the figure: 1. spheroidizing the ladle body; 2. pouring a nozzle; 3. a rotating shaft; 4. a balling chamber; 401. a balling chamber dam; 5. a pregnant room; 501. a bottom plate of the pregnancy room; 502. inoculating a chamber dam; 6. a nodulizer layer; 7. an inoculant layer; 8. a silicon steel sheet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 to 3, a spheroidizing ladle with a spheroidizing chamber and a pregnancy chamber separately comprises a spheroidizing ladle body 1, wherein rotating shafts 3 are arranged on two sides of the outer wall of the spheroidizing ladle body 1, one of the rotating shafts 3 is connected with a driving shaft, a pouring nozzle 2 is further arranged on the edge of the upper end face of the spheroidizing ladle body 1, the horizontal central axis of the pouring nozzle 2 is vertical to the central axis of the rotating shaft 3, a spheroidizing chamber 4 is arranged at the inner bottom of the spheroidizing ladle body 1, and the spheroidizing chamber 4 is arranged close to the side of the pouring nozzle 2; the inner peripheral wall of the balling ladle body 1 is also provided with a pregnancy and development chamber 5, the height of the pregnancy and development chamber 5 is not lower than the upper end surface of the balling chamber 4, and the vertical depth of the single pregnancy and development chamber 5 is not deeper than the vertical depth of the balling chamber 4; the nodulizing agent layer 6 is filled in the nodulizing chamber 4, the inoculant layer 7 is covered above the nodulizing agent layer 6, and only the inoculant layer 7 is filled in the pregnancy chamber 5. Silicon steel sheets 8 are covered above the spheroidizing chamber 4 and the pregnancy chamber 5.
According to the spheroidizing bag, the spheroidizing chamber 4 and the pregnancy chamber 5 are arranged in the spheroidizing bag, so that multiple inoculation can be completed in the same spheroidizing bag, on one hand, the problem of serious chilling tendency of molten iron after one-time spheroidizing is avoided, on the other hand, the molten iron can still be inoculated for multiple times after the spheroidizing agent is dissolved, the subsequent inoculation effect is ensured, the whole spheroidizing inoculation effect is strengthened, the formation of crystal nuclei can be promoted, the effective nucleation rate of graphite is greatly improved, the number of graphite spheres is increased and refined, the matrix structure can also be refined, and finally the performance of a casting is ensured.
After the structure of the spheroidizing ladle is adopted, repeated ladle pouring operation is not needed for spheroidizing inoculation, the complicated operation of manually adding the inoculant is avoided, the danger of ladle pouring inoculation is avoided, and the inoculant is not needed to be manually added in the molten iron pouring process, so that time and labor are saved; the arrangement of a special stream inoculation device can be reduced, so that the tooling cost is reduced, and the safety is better ensured; the pouring operation flow is simplified, and the production efficiency is improved.
Further, balling chamber 4 is for setting up balling chamber dyke 401 of balling ladle body inner bottom with the open-ended cavity in top that balling ladle body's inner wall encloses, balling chamber dyke 401 is the arc dyke, balling chamber dyke 401's thickness is 200mm, balling chamber dyke sets up balling ladle body's package bottom radius 1/3 department, balling chamber dyke 401's height with balling ladle body 1 capacity becomes direct proportion and sets up.
Will balling chamber 4 sets up the ladle bottom radius 1/3 department of balling package body 1, and is close to 2 one sides of pouring nozzle set up, be convenient for pack in proper order when using at every turn on the one hand, do not receive the influence of the horizontal davit in top of balling package among the filler process, on the other hand when the molten iron is gone into, the molten iron can fall into the region of 2/3 in addition at the ladle bottom earlier, avoids direct impact balling chamber avoids directly rushing away nodulizer and inoculant, can let the molten iron slowly submerge balling chamber.
Further, the capacity of the balling ladle is 10 tons, and the height of the balling chamber dam 401 is 200 mm; according to the size of the ladle capacity, different heights of the spheroidizing chamber dams are arranged to increase the addition amount of a spheroidizing agent and an inoculant, so that the ladle is targeted.
Further, the circumferential length of the single conception chamber 5 is 1/5 of the inner circumference of the balling ladle body 1.
Further, the pregnancy and development room 5 comprises a bottom plate 501 of the pregnancy and development room connected with the inner wall of the spheroidizing ladle body 1, a curved dam 502 of the pregnancy and development room is arranged on the bottom plate 501 of the pregnancy and development room, and the pregnancy and development room is enclosed by the bottom plate 501 of the pregnancy and development room, the dam 502 of the pregnancy and development room and the inner wall of the spheroidizing ladle body 1; the maximum extension length of the bottom plate 501 of the inoculation chamber is 100mm, the height of the dam 502 of the inoculation chamber is 100mm, and the thickness of the dam 502 of the inoculation chamber is 120 mm.
The breeding chamber dam 502 is also arc-shaped, the breeding chamber bottom plate 501 protrudes outwards from the interior of the ladle body to form a supporting platform, the extending length of the breeding chamber bottom plate is not longer, so that the smooth pouring of molten iron is not influenced, the molten iron is prevented from impacting the breeding chamber when being poured, and after the breeding chamber bottom plate is arranged, the molten iron is poured from the side of the pouring nozzle, the chambers can be naturally avoided, and the pouring difficulty of the molten iron is not increased.
Example two:
this embodiment provides an alternative construction of a conception chamber arrangement.
As shown in fig. 4 and 5, the pregnancy and development chambers 5 are two vertically arranged, the two pregnancy and development chambers 5 are arranged at two sides of the spheroidizing chamber in a staggered manner, and the projections of the two pregnancy and development chambers 5 in the horizontal plane are symmetrically arranged with the central axis of the rotating shaft.
Furthermore, a first pregnancy room is arranged at the height 1/3 of the inner periphery of the spheroidizing ladle body, and a second pregnancy room is arranged at the height 2/3 of the inner periphery of the ladle body; the adding weight of the inoculant layer in the spheroidizing chamber 4 is 0.1-0.3% of the weight of the poured molten iron, the adding amount of the inoculant layer in the first inoculating chamber is 0.2-0.4% of the weight of the poured molten iron, and the adding amount of the inoculant layer in the second inoculating chamber is 0.2-0.4% of the weight of the poured molten iron.
The inoculant layers are all granular inoculants and can be placed in the balling chamber and the pregnancy chamber in a pile or layer form after being weighed by weight. By presetting the three inoculant layers at the preset position, the molten iron poured into the ladle can be inoculated in the front period, the middle period and the rear period, the inoculation effect after spheroidization is enhanced, and the decline of spheroidization inoculation is reduced.
After the mode is adopted, the inoculation frequency is strengthened and increased, the chilling tendency of the molten iron after spheroidization is reduced, ladle inoculation is not needed, stream inoculation can be cancelled, the step of molten iron spheroidization inoculation is greatly simplified, the operation is convenient and high in safety, and the production efficiency can be improved. The castings obtained by continuous production have very good stability, the spheroidization grade of the castings in repeated production and batch production activities is above grade 3, the graphite size grade is basically between grade 6 and grade 7, and all mechanical properties exceed the national standards of the nodular cast iron castings of the corresponding grade.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A balling ladle with an independent balling chamber and a pregnancy and breeding chamber comprises a balling ladle body, wherein rotating shafts are arranged on two sides of the outer wall of the balling ladle body, one of the rotating shafts is connected with a driving shaft, a pouring nozzle is further arranged on the edge of the upper end face of the balling ladle body, and the horizontal central axis of the pouring nozzle is vertical to the central axis of the rotating shaft; the inner peripheral wall of the balling ladle body is also provided with at least one pregnancy-breeding chamber, the height of the pregnancy-breeding chamber is not lower than the upper end surface of the balling chamber, and the vertical depth of a single pregnancy-breeding chamber is not deeper than that of the balling chamber; the nodulizing chamber is filled with a nodulizing agent layer, an inoculant layer covers the nodulizing agent layer, and only the inoculant layer is filled in the inoculant chamber.
2. The balling ladle with the independently installed balling chamber and incubation chamber as claimed in claim 1, wherein the balling chamber is a cavity with an upper opening surrounded by a balling chamber dam installed at the bottom inside the balling ladle body and the inner wall of the balling ladle body, the balling chamber dam is an arc dam, the thickness of the balling chamber dam is 100 to 250mm, the balling chamber dam is installed at the ladle bottom radius 1/3 of the balling ladle body, and the height of the balling chamber dam is installed in a direct proportion relation with the capacity of the balling ladle body.
3. The balling ladle with the balling chamber and the pregnancy chamber which are independently arranged according to claim 2, is characterized in that the capacity of the balling ladle is less than 10 tons, and the height of the balling chamber dam is 150-200 mm; a spheroidizing bag with the capacity of 10-20 tons, wherein the height of a dam of the spheroidizing chamber is 200-250 mm; the capacity is the balling package more than 20 tons, the height of balling chamber dykes and dams is 250 ~ 400 mm.
4. The balling ladle with the independently arranged balling chamber and the pregnancy-breeding chamber as claimed in claim 1, wherein the pregnancy-breeding chamber is arranged at 1/3 and/or 2/3 height of the balling ladle body, and the circumferential length of the single pregnancy-breeding chamber is 1/5-1/8 of the inner circumference of the balling ladle body.
5. The balling ladle with the balling chamber and the pregnancy chamber separately arranged as claimed in claim 1, wherein the pregnancy chamber comprises an incubation chamber bottom plate connected with the inner wall of the balling ladle body, an arc shaped incubation chamber dam is arranged on the incubation chamber bottom plate, and the incubation chamber bottom plate and the incubation chamber dam enclose the pregnancy chamber with the inner wall of the balling ladle body; the maximum extension length of the bottom plate of the inoculation chamber is 100mm, the height of the dam of the inoculation chamber is 80-120 mm, and the thickness of the dam of the inoculation chamber is 70-150 mm.
6. The balling ladle with independently arranged balling and conception chambers according to claim 1, wherein the conception chamber is one, and a single conception chamber is arranged at the opposite side of the balling chamber; or the two pregnancy and breeding chambers are arranged up and down, the two pregnancy and breeding chambers are arranged on two sides of the spheroidizing chamber in a staggered mode, or the two pregnancy and breeding chambers are arranged on two sides of the central axis of the rotating shaft.
7. The spheroidizing ladle with the independently arranged spheroidizing chamber and the pregnancy and breeding chamber as claimed in claim 1, wherein silicon steel sheets or thin steel sheets are covered on the upper parts of the spheroidizing chamber and the pregnancy and breeding chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122371393.5U CN216297919U (en) | 2021-09-29 | 2021-09-29 | Balling bag with balling chamber and pregnancy chamber arranged independently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122371393.5U CN216297919U (en) | 2021-09-29 | 2021-09-29 | Balling bag with balling chamber and pregnancy chamber arranged independently |
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| Publication Number | Publication Date |
|---|---|
| CN216297919U true CN216297919U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122371393.5U Active CN216297919U (en) | 2021-09-29 | 2021-09-29 | Balling bag with balling chamber and pregnancy chamber arranged independently |
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| CN (1) | CN216297919U (en) |
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2021
- 2021-09-29 CN CN202122371393.5U patent/CN216297919U/en active Active
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