CN219746308U - Chute device for producing K418B cast high-temperature master alloy - Google Patents
Chute device for producing K418B cast high-temperature master alloy Download PDFInfo
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- CN219746308U CN219746308U CN202321102596.7U CN202321102596U CN219746308U CN 219746308 U CN219746308 U CN 219746308U CN 202321102596 U CN202321102596 U CN 202321102596U CN 219746308 U CN219746308 U CN 219746308U
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- chute
- molten steel
- heat preservation
- master alloy
- temperature
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- 239000000956 alloy Substances 0.000 title claims abstract description 26
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000004321 preservation Methods 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 238000005266 casting Methods 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model relates to the technical field of metallurgical equipment, and provides a chute device for producing K418B cast high-temperature master alloy, which comprises a heat preservation system, a chute, a heat insulation system and a temperature control system; the chute is arranged in the heat preservation system, a sample groove is formed in the inner wall of the front end of the bottom of the chute, and a molten steel outlet is formed in the inner wall of the rear end of the bottom of the chute; the molten steel outlet is provided with a ceramic filter disc; the heat insulation system is arranged between the bottom of the inner cavity of the heat insulation system and the chute; the temperature control system comprises two thermocouples and an automatic temperature adjusting device; the signal input end of the thermocouple is connected with the automatic temperature adjusting device, and the signal control end of the automatic temperature adjusting device is connected with the heat preservation system; and the molten steel outlet downwards penetrates through the chute, the heat insulation system and the bottom of the heat preservation system to form a molten steel outlet channel. The utility model can reduce the content of K418B casting high-temperature master alloy slag and quickly obtain chemical component samples thereof.
Description
Technical Field
The utility model relates to the technical field of metallurgical equipment, in particular to a chute device for K418B casting high-temperature master alloy production.
Background
At present, in the production process of the K418B cast high-temperature master alloy, a molten steel direct casting method is adopted, namely, the high-temperature molten steel in a crucible is directly poured into a preset mould through a runner, so that the production of the cast high-temperature master alloy is completed. The K418B cast high-temperature master alloy produced by the method has extremely high requirements on the purity of each raw material of the master alloy, and the produced K418B cast high-temperature master alloy slag has higher content, and the scum index cannot meet the requirements of users on the growing severity of the slag. In addition, after the alloy rod of the K418B cast high-temperature master alloy is cooled to room temperature, the chemical component sample can be sampled and sent for inspection, the time is long, and the timeliness requirement of production cannot be well met.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a chute device for producing K418B casting high-temperature master alloy, which realizes the purposes of reducing the content of produced K418B casting high-temperature master alloy slag and quickly taking chemical component samples thereof.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a chute device for K418B casting high-temperature master alloy production, which comprises a heat preservation system, a chute, a heat insulation system and a temperature control system;
the heat preservation system comprises a heat preservation layer and a resistance furnace main body heating system, and four hanging lugs are arranged on the outer wall of the heat preservation system;
the chute is arranged in the heat preservation system, a sample groove is formed in the inner wall of the front end of the bottom of the chute, and a molten steel outlet is formed in the inner wall of the rear end of the bottom of the chute; the molten steel outlet is provided with a ceramic filter disc; four internal thread hanging holes are formed in the top of the chute;
the heat insulation system is arranged between the bottom of the inner cavity of the heat insulation system and the chute;
the temperature control system comprises two thermocouples and an automatic temperature adjusting device; the thermocouple extends into a space between the resistance furnace main body heating system and the chute through the heat preservation layer and the resistance furnace main body heating system; the signal input end of the thermocouple is connected with the automatic temperature adjusting device, and the signal control end of the automatic temperature adjusting device is connected with the heat preservation system;
and the molten steel outlet downwards penetrates through the chute, the heat insulation system and the bottom of the heat preservation system to form a molten steel outlet channel.
Preferably, the inner wall of the bottom of the chute is provided with a certain inclination, so that molten steel is convenient to flow out and liquid accumulation of the molten steel is prevented, and the inclination is preferably at an angle of 1-3 degrees with the horizontal direction.
Preferably, the inner wall of the front side wall of the chute is provided with a certain inclination, so that molten steel is prevented from splashing, and the inclination preferably forms an angle of 1-5 degrees with the vertical direction.
Preferably, the forming materials of the chute and the ceramic filter sheet are refractory materials, and alumina, silica, zirconia, magnesia or a mixture of two or more of the materials are selected.
Preferably, the insulation system comprises refractory bricks or insulating cotton.
Preferably, the heat preservation temperature of the heat preservation system is controlled to be 600-1200 ℃.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, the purpose of reducing the slag content of the K418B casting high-temperature master alloy is realized through the arrangement of the ceramic filter plates, so that the requirement of scum index is met, and the high-quality K418B casting high-temperature master alloy is produced.
(2) According to the utility model, through the arrangement of the sample groove, the chemical component sample of the K418B casting high-temperature master alloy is rapidly obtained, and the subsequent production is guided.
(3) The utility model is arranged by the slope of the bottom and the front inner wall of the chute, which is convenient for the outflow of molten steel and prevents the liquid from accumulating and scattering.
(4) According to the utility model, the temperature control system is arranged to realize the adjustment and control of the heat preservation temperature.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a top view of fig. 1.
In the figure, 1-chute, 11-molten steel outlet, 12-sample tank, 13-internal thread hanging hole, 2-heat preservation system, 21-resistance furnace main body heating system, 22-hanging lugs, 3-heat insulation system, 4-temperature control system, 41-thermocouple, 42-automatic temperature regulating device and 5-ceramic filter sheet.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
1-2, the chute device for producing the K418B cast high-temperature master alloy comprises a heat preservation system 2, a chute 1, a heat insulation system 3 and a temperature control system 4;
the heat preservation system 2 comprises an outer heat preservation layer (not shown in the figure) and an inner resistance furnace main body heating system 21, and four hanging lugs 22 are arranged on the outer wall of the heat preservation system 2 and used for hanging the device;
the chute 1 is arranged in the heat preservation system 2, a sample groove 12 is arranged on the inner wall of the front end (near to one end for receiving casting molten steel) of the bottom of the chute 1, and a molten steel outlet 11 is arranged on the inner wall of the rear end (far from one end for receiving casting molten steel) of the bottom of the chute 1; the molten steel outlet 11 is provided with a ceramic filter sheet 5 for filtering molten steel; four internal thread hanging holes 13 are formed in the top of the chute 1 and are used for hanging the chute 1;
the heat insulation system 3 is arranged between the bottom of the inner cavity of the heat insulation system 2 and the chute 1;
the temperature control system 4 comprises two thermocouples 41 and an automatic temperature adjusting device 42; the thermocouple 41 extends into the space between the resistance furnace main body heating system 21 and the chute 1 through the heat insulation layer and the resistance furnace main body heating system 21; the signal input end of the thermocouple 41 is connected to the automatic temperature adjusting device 42, and the signal control end of the automatic temperature adjusting device 42 is connected with the heat preservation system 2;
the molten steel outlet 11 downwards penetrates through the chute 1, the heat insulation system 3 and the bottom of the heat preservation system 2 to form a molten steel outlet channel.
In the embodiment, the device is used in the process that before the chute 1 is baked, a ceramic filter disc 5 is placed into a molten steel outlet 11 at the rear end of the bottom of the chute 1 to be baked together, then a heat insulation system 3 is tiled at the bottom of an inner cavity of a heat insulation system 2, the chute 1 which is just baked is lifted into the heat insulation system 2, the chute 1 is placed on the heat insulation system 3, and finally the heat insulation system 2 is lifted onto a furnace tooling through a hanging lug 22 of the heat insulation system 2 to be used together with a casting runner. After K418B casting high-temperature master alloy production begins, the temperature control system 4 sets the heat preservation temperature, and the heat preservation system 2 begins to work. When casting steel, the molten steel sequentially flows through the sample groove 12 at the front end of the bottom of the chute 1, the ceramic filter sheet 5, the molten steel outlet 11 at the bottom of the chute 1 and other casting runners, and then enters a follow-up preset die to finish casting. After casting is completed, after the temperature of the chute is reduced, taking out the chemical component sample in the sample tank 12 at the front end of the bottom of the chute 1.
In another embodiment, the inner wall of the bottom of the chute 1 is provided with a slope which is preferably 1-3 degrees with respect to the horizontal direction, so as to facilitate the outflow of molten steel and prevent the accumulation of molten steel. The bottom of the chute is provided with a downward inclined angle along the flow direction of the molten steel, and the molten steel is easier to flow to a molten steel outlet after pouring into the bottom of the chute; the slope design also prevents molten steel from dropsy during the time of less or end of casting.
In another embodiment, the inner wall of the front side wall of the chute 1 is provided with a slope which is preferably at an angle of 1-5 degrees with respect to the vertical and prevents molten steel from splashing. The slope design ensures that molten steel flows into the chute along the side wall instead of vertically pouring, thereby playing a role of buffering and preventing molten steel from scattering and splashing.
In another embodiment, the molding materials of the chute 1 and the ceramic filter sheet 5 are refractory materials, and alumina, silica, zirconia, magnesia or a mixture of two or more of them is selected.
In another embodiment, the insulation system 3 may be made of refractory bricks or insulating cotton.
In another embodiment, the temperature of the insulation system 2 is controlled to be 600-1200 ℃.
It should be apparent that the above-described embodiments are merely some, but not all, embodiments of the present utility model. The above examples are only for explaining the present utility model and do not limit the scope of the present utility model. Based on the above embodiments, all other embodiments obtained by those skilled in the art without making creative efforts, i.e., all modifications, equivalents, improvements etc., which are within the spirit and principles of the present utility model, fall within the protection scope of the present utility model as claimed.
Claims (6)
1. A chute device for producing K418B cast high-temperature master alloy, which is characterized by comprising a heat preservation system (2), a chute (1), a heat insulation system (3) and a temperature control system (4);
the heat preservation system (2) comprises a heat preservation layer and a resistance furnace main body heating system (21), and four hanging lugs (22) are arranged on the outer wall of the heat preservation system (2);
the chute (1) is arranged in the heat preservation system (2), a sample groove (12) is formed in the inner wall of the front end of the bottom of the chute (1), and a molten steel outlet (11) is formed in the inner wall of the rear end of the bottom of the chute (1); the molten steel outlet (11) is provided with a ceramic filter sheet (5); four internal thread hanging holes (13) are formed in the top of the chute (1);
the heat insulation system (3) is arranged between the bottom of the inner cavity of the heat insulation system (2) and the chute (1);
the temperature control system (4) comprises two thermocouples (41) and a temperature automatic regulating device (42), and the thermocouples (41) extend into a space between the resistance furnace main body heating system (21) and the chute (1) through the heat insulation layer and the resistance furnace main body heating system (21); the signal input end of the thermocouple (41) is connected with the automatic temperature adjusting device (42), and the signal control end of the automatic temperature adjusting device (42) is connected with the heat preservation system (2);
the molten steel outlet (11) downwards penetrates through the chute (1), the heat insulation system (3) and the bottom of the heat preservation system (2) to form a molten steel outlet channel.
2. The chute device for producing the K418B casting high-temperature master alloy according to claim 1, wherein the inner wall of the bottom of the chute (1) is provided with a slope which is 1-3 degrees with respect to the horizontal direction and is convenient for molten steel to flow out and prevents molten steel from accumulating.
3. A chute apparatus for the production of K418B cast high temperature master alloy according to claim 1, wherein the inner wall of the front side wall of the chute (1) is provided with a slope which is formed at an angle of 1-5 ° to the vertical to prevent molten steel from scattering and splashing.
4. Chute device for the production of K418B cast high temperature master alloy according to claim 1, characterized in that the forming material of the chute (1) and ceramic filter sheet (5) is refractory.
5. A chute apparatus for the production of K418B cast high temperature master alloy according to claim 1, wherein the insulation system (3) comprises refractory brick or insulating wool.
6. Chute apparatus for the production of K418B cast high temperature master alloy according to claim 1, wherein the holding temperature of the holding system (2) is controlled between 600-1200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102596.7U CN219746308U (en) | 2023-05-09 | 2023-05-09 | Chute device for producing K418B cast high-temperature master alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102596.7U CN219746308U (en) | 2023-05-09 | 2023-05-09 | Chute device for producing K418B cast high-temperature master alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219746308U true CN219746308U (en) | 2023-09-26 |
Family
ID=88089450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321102596.7U Active CN219746308U (en) | 2023-05-09 | 2023-05-09 | Chute device for producing K418B cast high-temperature master alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219746308U (en) |
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2023
- 2023-05-09 CN CN202321102596.7U patent/CN219746308U/en active Active
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