CN221064345U - Chute equipment that uses in industrial silicon casting - Google Patents
Chute equipment that uses in industrial silicon casting Download PDFInfo
- Publication number
- CN221064345U CN221064345U CN202322311438.9U CN202322311438U CN221064345U CN 221064345 U CN221064345 U CN 221064345U CN 202322311438 U CN202322311438 U CN 202322311438U CN 221064345 U CN221064345 U CN 221064345U
- Authority
- CN
- China
- Prior art keywords
- chute
- casting
- industrial silicon
- lining
- refractory lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005266 casting Methods 0.000 title claims abstract description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 24
- 239000010703 silicon Substances 0.000 title claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000009991 scouring Methods 0.000 abstract description 5
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses chute equipment used in industrial silicon casting, which belongs to the technical field of metallurgy and energy, and comprises a shell and a refractory lining; the refractory lining is arranged in the shell, and is formed into an open groove body structure by split combination, and casting materials are smeared on the surface of the refractory lining; anode carbon blocks are placed at the bottom of the refractory lining; according to the utility model, the chute is built by layers, when the lining of the chute is damaged, only the damaged casting material layer is required to be beaten with casting materials again, so that the local replacement is realized, and the replacement cost is reduced; the anode carbon block is arranged at the bottom of the lining, has stable geometric shape and high-temperature-resistant silicon water scouring strength, and prolongs the service life of the chute.
Description
Technical Field
The utility model belongs to the technical field of metallurgy and energy, and particularly relates to chute equipment used in industrial silicon casting.
Background
Industrial silicon is used as a basic raw material of organic silicon, polysilicon and silicon alloy, and has important roles in the development of the economic society in China. The industrial silicon production is that silica and carbonaceous reducing agent are mixed and sent into an ore furnace, high temperature is generated by arc striking of charged electrode breakdown reaction materials, oxidation reduction reaction is carried out on the silica and carbon to generate high Wen Guiye, then silicon liquid is discharged from the ore furnace and cast into silicon ingots, and the silicon ingots are crushed, packed and sold after cooling.
The pouring chute plays a role in diversion and buffering in the production of the silicon ingot, and the quality of the pouring chute greatly influences the pouring quality and the service life of an ingot mould; the existing casting chute is integrally formed, the inner lining of the existing casting chute is built by adopting casting materials made of high-aluminum materials, the high-temperature-resistant silicon water scouring strength of the materials is low, the existing casting chute is extremely easy to damage under the condition of high-frequency use, the service life is relatively short, the existing casting chute can be built again after about one week on average, and the production cost is correspondingly increased during integral replacement.
Disclosure of Invention
The chute equipment used in the industrial silicon casting is provided by the utility model, the chute is a layered casting chute, the high-temperature-resistant silicon water scouring strength is high, the whole replacement is not needed during the replacement, and the replacement cost is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A chute device used in industrial silicon casting comprises a shell and a refractory lining; the fireproof lining is arranged in the shell and is formed into an open groove structure by split combination; anode carbon blocks are placed at the bottom of the refractory lining.
In the structure, 4 lifting lugs are symmetrically arranged on the outer side wall of the shell, lifting is convenient when slag accumulation in the chute is cleaned, and the shell is welded into a groove shape by a 20mm thick Q235B steel plate;
The two sides of the refractory lining are built by using refractory bricks; the refractory bricks on two sides are arranged on the anode carbon blocks, and the anode carbon blocks are longitudinally cut into three blocks;
The refractory bricks of the lining are coated on the surface by using casting materials; and a certain gradient is arranged inside the chute.
The beneficial effects are that: the utility model provides chute equipment used in industrial silicon casting, which adopts anode carbon blocks to be arranged at the bottom of a lining, wherein the anode carbon blocks are carbon blocks produced by taking petroleum coke and asphalt coke as aggregates and coal asphalt as an adhesive, and are used as anode materials for prebaked aluminum electrolysis cells, and the carbon blocks are roasted, have stable geometric shapes and have high-temperature silicon water scouring resistance; according to the utility model, the chute is built by adopting the layered brickwork, when the lining of the chute is damaged, only the damaged castable layer is required to be beaten with castable again, so that the local replacement is realized; therefore, the service life of the casting chute can be prolonged, and the production cost is reduced.
Drawings
FIG. 1 is a schematic top view of a chute according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a chute according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a chute according to an embodiment of the utility model;
in the figure: an outer steel shell 1, a lining 2 and an outer side wall hanging lug 3.
Detailed Description
The utility model is described in detail below with reference to the attached drawings and the specific embodiments:
As shown in fig. 1-3, a chute device used in industrial silicon casting comprises an outer steel shell 1 and a lining 2, wherein the lining 2 is fixedly arranged at the bottom of the steel shell 1, the bottom of the steel shell 1 and the bottom of the lining 2 are fixedly built, and the steel shell 1 and the lining 2 together form a whole; a groove body structure with two open sides is formed by split combination; the outer side wall of the chute is provided with 4 lifting lugs, so that the lifting is convenient when the accumulated slag in the chute is cleaned.
The outer steel shell 1 is welded into a groove shape by a Q235B steel plate with the thickness of 20 mm; the bottom of the liner 2 is provided with anode carbon blocks which are longitudinally cut into three blocks, and the anode carbon blocks are commonly used in the carbon field; the refractory bricks are used for masonry on two sides of the lining 2, the refractory bricks on two sides are arranged on the anode carbon blocks, casting materials are used for coating the surfaces after the masonry is completed, the casting materials are common casting materials in the field, the main component is Al 2O3, the content of the casting materials is more than 80%, and the casting materials are convenient to lift when slag accumulation in the chute is cleaned.
The silicon liquid flows through the bottom of the chute lining, and the bottom of the chute is made of anode carbon blocks, is of a solid structure, has good scouring resistance and wear resistance, is low in front and high in back, has a certain gradient, and improves the trafficability of the silicon liquid, so that the wear resistance and the service life of the chute are improved; the chute is built by layers, and when the lining of the chute is damaged, only the damaged casting material layer is required to be beaten with casting materials again, so that local replacement is realized; therefore, the service life of the casting chute can be prolonged, and the production cost is reduced.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and various modifications or variations may be made by those skilled in the art without the need for inventive effort on the basis of the technical solutions of the present utility model.
Claims (7)
1. The chute equipment used in the casting of the industrial silicon is characterized by comprising a shell and a refractory lining; the refractory lining is arranged in the shell and is formed into an open groove body structure by split combination, the bottom of the refractory lining is provided with anode carbon blocks, the side faces of the refractory lining are built by refractory bricks, and the refractory bricks on the side faces are positioned above the anode carbon blocks; and coating casting materials on the surface of the refractory lining.
2. Chute equipment for use in industrial silicon casting according to claim 1, wherein lifting lugs are symmetrically arranged on the outer side wall of the housing.
3. Chute apparatus for use in industrial silicon casting according to claim 2, wherein the lugs are 4.
4. A chute apparatus for use in industrial silicon casting according to claim 2 or 3, wherein the housing is welded in a trough shape from a 20mm thick Q235B steel plate.
5. A chute apparatus for use in industrial silicon casting according to claim 1, wherein the castable is smeared on the surface of refractory bricks.
6. Chute apparatus for use in industrial silicon casting according to claim 1, wherein the anode carbon block is cut longitudinally into three pieces.
7. Chute apparatus for use in the casting of industrial silicon according to claim 1, wherein the chute is internally sloped.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221064345U true CN221064345U (en) | 2024-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |