Silicon water temperature-resistant ingot mould
By adding a contact layer of blast furnace casting layer and refractory brick assembly to the bottom of the ingot mold, the problem of silicon blocks or graphite blocks affecting the quality of the ingot mold was solved, resulting in high-quality silicon plate products and extended ingot mold life.
Patent Information
- Application Number
- CN202422725116.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-08
AI Technical Summary
In existing technologies, the use of silicon blocks or graphite blocks as pads during continuous and intermittent tapping affects the quality of the ingot mold, resulting in poor quality of the finished silicon plates.
A contact layer formed by a combination of blast furnace casting layer and refractory bricks is added to the bottom of the ingot mold as a cooling layer that comes into contact with molten silicon. This eliminates the need for spacers during the casting process. Heat dissipation is achieved through direct contact between the heat-resistant masonry material and the molten silicon, ensuring the quality of the finished silicon plate.
It improved the quality of finished ingot molds, extended their service life, reduced the breakage rate and maintenance frequency of ingot molds, and ensured the quality of finished silicon wafers.
Smart Images
Figure CN223603397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to smelting out furnace pouring technology field especially is related to a silicon water temperature resistant ingot mould. BACKGROUND
[0002] The silicon water of industrial silicon out of furnace is the silicon water in molten state formed after silica, wood chips and refined coal fully oxidize in the furnace and flows out through the furnace outlet, and currently there are two ways of out of furnace, (1) continuous out of furnace, the silicon water flows into the silicon water bag through the furnace eye outlet, the furnace eye is not blocked, and the furnace eye is always open, and the silicon water continuously flows out; (2) intermittent out of furnace, the molten state silicon water produced in the furnace is released into the silicon water bag after the furnace eye is opened when the molten state silicon water reaches a certain capacity, and then the furnace eye is blocked. Currently, when the silicon water in the silicon water bag is poured into the ingot mould, the ingot mould is placed separately, and according to the size of the silicon water bag, one silicon water bag can pour three to seven ingot moulds, and during the pouring process, the silicon water is poured on the silicon block or graphite block, the impact force of the silicon water on the ingot mould is cushioned, the concentrated heat gathering point is dispersed, and after the pouring is completed and the silicon plate is cooled and formed, the silicon plate is taken out from the ingot mould, wherein the silicon block and the graphite block will affect the quality of the finished product. SUMMARY
[0003] In view of the above problems, the utility model aims at providing a silicon water temperature resistant ingot mould to solve the technical problem that the silicon block or graphite block placed in the silicon water will affect the quality of the ingot mould during the continuous out of furnace and intermittent out of furnace.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A silicon water temperature resistant ingot mould, comprising: an ingot mould body; a temperature resistant component built on the bottom of the ingot mould body; the temperature resistant component comprises a mould bottom layer and a contact layer arranged in sequence on the bottom of the ingot mould body, and the contact layer comprises a blast furnace pouring layer and a refractory brick combination arranged outside the blast furnace pouring layer.
[0006] The utility model adds the contact layer composed of the blast furnace pouring layer and the refractory brick combination on the ingot mould bottom layer casting as the cooling layer in contact with the molten silicon water, when the molten state silicon water enters the ingot mould, the temperature resistant building material in the ingot mould is in contact with the silicon water and naturally cooled, and the cooling is formed, so that the quality of the finished product silicon plate is ensured. The contact layer formed by the blast furnace pouring layer and the refractory brick combination is superior to the molten state silicon water in fire resistance and pressure strength, and is superior to the integral pouring ingot mould, the temperature resistant building material is directly in contact with the silicon water, the use of the cushion block in the ingot mould during the pouring process is cancelled, the quality of the ingot mould finished product is improved, and the service life of the ingot mould can be prolonged.
[0007] Optionally, the mold base layer is located at the bottom of the ingot mold body, the high furnace pouring layer is located at the middle position of the mold base layer, and refractory brick assemblies are arranged on both sides of the high furnace pouring layer, and the refractory brick assemblies are composed of a plurality of refractory bricks.
[0008] Optionally, the refractory brick assembly comprises multiple layers, and the high furnace pouring layer is located at the same horizontal plane as the upper surface of the refractory brick assembly.
[0009] Optionally, the inner side of the ingot mold body has a first step, and a first cavity and a second cavity in a stepped shape are formed in the ingot mold body by the first step; and the temperature-resistant component is arranged in the first cavity.
[0010] Optionally, the inner side of the ingot mold body further has a second step, the second step is located below the first step, the mold base layer is arranged on the second step, and a gap is formed between the lower surface of the mold base layer and the lower surface of the ingot mold body.
[0011] Optionally, the temperature-resistant component is adapted to the first cavity, and the temperature-resistant component has a rectangular structure.
[0012] Optionally, the depth of the first cavity is equal to or slightly greater than the depth of the second cavity.
[0013] Optionally, the second cavity is gradually expanded from one end to the other end of the first cavity.
[0014] Optionally, the ingot mold body is provided with a plurality of lifting lugs, and the plurality of lifting lugs are arranged in pairs in a symmetrical manner.
[0015] Optionally, the ingot mold body is made of heat-resistant cast iron, the lifting lugs are round steel pipes, and an explosion-proof layer is arranged on the outer periphery of the steel pipe connected to the ingot mold body.
[0016] Compared with the prior art, the ingot mold has the following beneficial effects:
[0017] The ingot mold has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0019] Figure 1 It is an embodiment structure schematic view of the silicon water temperature-resistant ingot mold in the present application.
[0020] Figure 2 It is a sectional view of an embodiment of the silicon water temperature-resistant ingot mold in the present application.
[0021] Figure 3 It is a side view of the refractory brick combination in the present application.
[0022] Figure 4 It is a top view of the refractory brick combination in the present application.
[0023] Reference signs: 1, ingot mold main body; 1a, first cavity; 1b, second cavity; 1c, gap; 11, first step; 12, second step; 13, lug; 14, groove; 2, temperature-resistant assembly; 21, mold bottom layer; 22, contact layer; 221, blast furnace pouring layer; 222, refractory brick combination; 2221, first layer; 2221', horizontal brick; 2221'', vertical brick; 2222, second layer; 2223, third layer. DETAILED DESCRIPTION
[0024] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0025] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "end", "side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.
[0026] In addition, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply relative importance or an ordering between or among the indicated technical features. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly.
[0027] In the embodiments of the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0028] In the embodiments of the present application, unless specifically defined and limited otherwise, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0029] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.
[0030] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0031] As Figure 1 and Figure 2As shown, the utility model discloses a kind of silicon water temperature-resistant ingot mould, comprising: ingot mould main body 1 and temperature-resistant component 2 built in the bottom of ingot mould main body 1.The temperature-resistant component 2 includes mould bottom layer 21 and contact layer 22 arranged in the bottom of ingot mould main body 1 in turn, and contact layer 22 includes blast furnace pouring layer 221 and refractory brick combination 222 arranged on the outside of blast furnace pouring layer 221.By the temperature-resistant masonry material of ingot mould bottom layer layering arrangement as with silicon water direct contact layer, instead of the ingot mould of original integrated pouring formation, pouring layer refractoriness, compressive strength are all superior to silicon water, the physical advantage of traditional ingot mould, can ensure that ingot mould is not cracked, broken and the like because of metal fatigue during long-term use, reduce ingot mould maintenance frequency, and can cancel the use of traditional ingot mould inner pad, avoid that external impurities melt into finished product silicon water edition and cause the influence to final product quality, ensure the quality of finished product silicon water edition.
[0032] Specifically, mould bottom layer 21 is located at the bottom of ingot mould main body 1, blast furnace pouring layer 221 is located at the middle position of mould bottom layer 21, and refractory brick combination 222 is arranged on the both sides of blast furnace pouring layer 221, refractory brick combination 222 is composed of a plurality of refractory bricks, and the upper surface of refractory brick combination 222 is at the same horizontal plane as the upper surface of blast furnace pouring layer 221.Blast furnace pouring layer 221 is high-temperature blast furnace castable.A refractory coating is arranged on blast furnace pouring layer 221 and refractory brick combination 222.
[0033] Optionally, mould bottom layer 21 and contact layer 22 can be arranged along the length direction of ingot mould main body 1.
[0034] As an implementation scenario, in the scenario, the inner side of ingot mould main body 1 has a first step 11, the first step 11 is formed by protruding and extending inward from the inner wall of ingot mould main body 1, a first cavity 1a and a second cavity 1b are formed in ingot mould main body 1 in a stepped manner through the first step 11, that is, the size of the second cavity 1b is greater than the size of the first cavity 1a, and the temperature-resistant component 2 is arranged in the first cavity 1a.
[0035] Optionally, the upper surface of temperature-resistant component 2 is flush with the upper surface of the first step 11, that is, the upper surface of contact layer 22 formed by blast furnace pouring layer 221 and refractory brick combination 222 is at the same horizontal plane as the upper surface of the first step 11.
[0036] Optionally, the depth of the first cavity 1a is equal to or slightly greater than the depth of the second cavity 1b.
[0037] Optionally, the second cavity 1b is gradually expanded outward from one end of the first cavity 1a.
[0038] Optionally, the first step 11 is rounded on the inner side. It can be understood that the first cavity 1b includes a horizontal part, an arc part and an expansion part, the horizontal part and the arc part are connected on one side, the arc part is connected with the expansion part on the other side, the expansion part is outwardly expanded from one end of the arc part, and the temperature-resistant assembly 2 is flush with the horizontal part.
[0039] Optionally, the size and shape of the temperature-resistant assembly 2 are adapted to the first cavity 1a.
[0040] Optionally, the temperature-resistant assembly 2 is in a rectangular structure as a whole, and the first cavity 1a is also in a rectangular structure.
[0041] As an implementation scenario, in this scenario, the ingot mold body 1 further has a second step 12 located below the first step 11, the mold bottom layer 21 is arranged on the second step 12, and a gap 1c is formed between the lower surface of the mold bottom layer 21 and the lower surface of the ingot mold body 1. The blast furnace pouring layer 221 and the refractory brick assembly 222 are arranged on the upper surface of the mold bottom layer 21, and the contact surface formed by the blast furnace pouring layer 221 and the refractory brick assembly 222 is at the same horizontal plane as the first step 11.
[0042] Optionally, a support plate can be arranged between the mold bottom layer 21 and the second step 12 or at the gap 1c.
[0043] In an implementation mode, the ingot mold body 1 is provided with a plurality of lifting lugs 13, and the plurality of lifting lugs 13 are arranged in pairs in a symmetrical manner. Preferably, the ingot mold body 1 is provided with at least two groups of lifting lugs. For example, the ingot mold body 1 is provided with two lifting lugs 13 on each side, and the lifting lugs 13 on the two sides are arranged in a one-to-one corresponding manner. Through the arrangement of the lifting lugs, the lifting lugs can be conveniently matched with the forklift, and the ingot mold can be conveniently moved.
[0044] Optionally, a plurality of grooves 14 are arranged on the ingot mold body 1 adjacent to the lifting lugs 13, and the plurality of grooves 14 are arranged in pairs in a symmetrical manner. As shown in Figure 1 , the lifting lugs 13 are arranged on the upper and lower sides of the ingot mold body 1, and the grooves 14 are arranged on the left and right sides of the ingot mold body 1.
[0045] Optionally, the lifting lugs 13 are in the form of a circular seamless steel pipe.
[0046] Optionally, the ingot mold body 1 is made of heat-resistant cast iron, one end of each of the lifting lugs 13 is connected with the ingot mold body 1, the other end of each of the lifting lugs 13 extends to the outside of the ingot mold body 1, and a safety explosion-proof layer is arranged on the outer periphery of the lifting lugs 13 at the connection position with the ingot mold body 1.
[0047] In an implementation mode, the refractory brick assembly 222 includes multiple layers.
[0048] Optionally, the multiple layers of refractory bricks are arranged in a staggered manner.
[0049] As an implementation scenario, in the scenario, the refractory brick assembly 222 includes three layers. Specifically, referring to Figure 3 As shown in the figure, the refractory brick assembly 222 includes a first layer 2221, a second layer 2222, and a third layer 2223.
[0050] Referring to Figure 4 As shown in the figure, the first layer 2221 includes transverse bricks 2221' and vertical bricks 2221" staggered in sequence, the transverse brick 2221' is composed of two refractory bricks spliced, the width of the two refractory bricks after splicing is equal to the length of the vertical brick 2221", and the entire first layer 2221 is arranged by transverse bricks 2221', vertical bricks 2221", transverse bricks 2221'... staggered in sequence.
[0051] Optionally, the arrangement mode of the second layer 2222 is opposite to that of the first layer 2221, that is, the second layer 2222 also includes transverse bricks and vertical bricks, but the arrangement mode in the second layer is: vertical brick, transverse brick, vertical brick... arranged in sequence.
[0052] Optionally, the arrangement mode of the third layer 2223 is the same as that of the first layer 2221.
[0053] The utility model discloses a bottom layer 21 of ingot mould is increased blast furnace pouring layer 221 and refractory brick assembly 222 as the cooling layer with molten silicon water contact on the basis, when molten state silicon water enters ingot mould, and the temperature resistant masonry material in ingot mould is contacted with silicon water and is naturally heat dissipation, and the quality of finished product silicon plate is ensured. Through the fire resistance and the compression strength advantage of temperature resistant masonry material, reduce the damage rate of ingot mould, the maintenance amount, reduce personnel, labor intensity, also reduce ingot mould replacement frequency, make the long -term continuous stable operation of process production flow realize.
[0054] The places not described in detail in the embodiment are the technology known in the art.
[0055] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. A silicon water temperature resistant ingot mold characterized by, The application relates to an ingot mould body (1) and a temperature-resistant assembly (2) which is built on the bottom of the ingot mould body (1). The temperature-resistant assembly (2) comprises a mould bottom layer (21) and a contact layer (22) which are arranged on the bottom of the ingot mould body (1) in sequence, and the contact layer (22) comprises a blast furnace pouring layer (221) and a refractory brick assembly (222) which is arranged on the outer side of the blast furnace pouring layer (221). The mould bottom layer (21) is located on the bottom of the ingot mould body (1), the blast furnace pouring layer (221) is located at the middle position of the mould bottom layer (21), and the two sides of the blast furnace pouring layer (221) are respectively provided with the refractory brick assembly (222) which is composed of a plurality of refractory bricks. The refractory brick assembly (222) comprises multiple layers, and the upper surface of the blast furnace pouring layer (221) is located at the same horizontal plane as the upper surface of the refractory brick assembly (222).
2. The silicon water-resistant ingot mold according to claim 1, wherein The inner side of the ingot mould body (1) is provided with a first step (11), and a first cavity (1a) and a second cavity (1b) are formed in the ingot mould body (1) through the first step (11); and the temperature-resistant assembly (2) is arranged in the first cavity (1a).
3. The silicon water-resistant ingot mold of claim 1, wherein The inner side of the ingot mould body (1) is further provided with a second step (12) which is located below the first step (11), the mould bottom layer (21) is arranged on the second step (12), and a gap (1c) is formed between the lower surface of the mould bottom layer (21) and the lower surface of the ingot mould body (1).
4. The silicon water-resistant ingot mold of claim 1, wherein The temperature-resistant assembly (2) is adapted to the first cavity (1a), and the temperature-resistant assembly (2) has a rectangular structure.
5. The silicon water-resistant ingot mold according to claim 4, wherein The depth of the first cavity (1a) is equal to or slightly greater than the depth of the second cavity (1b).
6. The silicon water-resistant ingot mold of claim 4, wherein The second cavity (1b) is gradually expanded from one end to the other end of the first cavity (1a).
7. The silicon water temperature resistant ingot mold of claim 4, wherein A plurality of lifting lugs (13) are arranged on the ingot mould body (1), and the lifting lugs (13) are arranged in pairs in a symmetrical manner.
8. The silicon water temperature resistant ingot mold of claim 4, wherein, The ingot mould body (1) is made of heat-resistant cast iron, the lifting lugs (13) are made of circular steel pipes, and an anti-explosion layer is arranged on the outer periphery of the steel pipe connected with the ingot mould body (1).
9. The silicon water-resistant ingot mold of claim 1, wherein 10. The silicon water-resistant ingot mold of claim 9, wherein