Silicon water cooling ingot mould

Abstract

The utility model provides a silicon water-cooling ingot mould, and aims to solve the technical problem that the quality of the ingot mould is influenced when cushion blocks such as silicon blocks or graphite blocks are padded at silicon falling water points during continuous discharging and intermittent discharging in the prior art. The silicon water cooling ingot mould comprises an ingot mould main body, a first cavity and a second cavity which are communicated with each other are arranged in the ingot mould main body, and the first cavity and the second cavity form a step structure; and the cooling bottom plate is arranged in the first cavity, and a water cooling pipe is arranged in the cooling bottom plate. The ingot mould structure is improved, after the cooling bottom plate and the water cooling pipeline are designed in the ingot mould, a cushion block does not need to be placed in the ingot mould, and silicon water can be rapidly cooled through water passing through the water cooling pipeline in the ingot mould, so that the quality of a finished silicon plate is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to smelting out furnace pouring technical field especially to a kind of silicon water water-cooled ingot mould. BACKGROUND

[0002] Industrial silicon out furnace silicon water is the silicon water in molten state formed after silica, wood chip, refined coal fully oxidize in furnace, which flows out through furnace outlet, and there are following two kinds of furnace-out modes: (1) continuous furnace-out, silicon water flows into silicon water bag through furnace eye outlet, and furnace eye is not blocked, and furnace eye is always open, and silicon water continuously flows out; (2) intermittent furnace-out, molten state silicon water produced in furnace is released into silicon water bag after opening furnace eye when reaching certain capacity, and then furnace eye is blocked.Against the background, silicon water in silicon water bag needs to be poured into ingot mould, and ingot mould is placed individually, and according to the size of silicon water bag, one silicon water bag can pour three to seven ingot moulds, and during pouring process, silicon block or graphite block and other cushion blocks are placed at silicon water falling point to buffer the impact force of silicon water pouring on ingot mould, and concentrated heat force gathering point is dispersed, and after pouring and cooling, cushion blocks melt into finished product silicon plate, and finished product silicon plate is taken out from ingot mould, and among them, silicon block and graphite block and other cushion blocks can affect the quality of finished product ingot mould. SUMMARY

[0003] In view of the above, to overcome the defects of prior art, the utility model aims at providing a kind of silicon water water-cooled ingot mould, solve the technical problem that the quality of ingot mould is affected when silicon block or graphite block and other cushion blocks are placed at silicon water falling point during the continuous furnace-out and intermittent furnace-out of prior art.A kind of silicon water water-cooled ingot mould is mainly used for silicon water water-cooled ingot mould heat dissipation in the process of industrial silicon industry furnace-out, and the quality of ingot mould finished product is improved by improving ingot mould structure form and canceling cushion block in ingot mould during pouring process.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of silicon water water-cooled ingot mould, including: ingot mould main body, first cavity and second cavity with intercommunication are inside, the first cavity and second cavity form stepped structure;Cooling bottom plate is set in the first cavity, and the cooling bottom plate is equipped with water cooling pipe inside. When using, the water cooling pipe has flowing cooling medium.

[0006] The utility model improves ingot mould structure, and after designing cooling bottom plate and water cooling pipeline in ingot mould, cushion block can not be placed in ingot mould, but water cooling pipeline in ingot mould can rapidly cool silicon water, so that the quality of finished product silicon plate is ensured.Furthermore, the cooling time of finished product silicon plate in ingot mould is reduced, and the time of labor personnel waiting for ingot mould cooling operation is reduced.Meanwhile, ingot mould replacement frequency is also reduced, so that long-period continuous stable operation of process production flow is realized.

[0007] Optionally, the ingot mold body has a first step inside, through which a stepped first cavity and a second cavity are formed inside the ingot mold body; a second step is further arranged below the first step, the cooling bottom plate is arranged on the second step, and a gap is formed between the lower surface of the cooling bottom plate and the lower surface of the ingot mold body, and the upper surface of the cooling bottom plate is at the same level as the first step.

[0008] Optionally, the depth of the first cavity is equal to or slightly greater than the depth of the second cavity.

[0009] Optionally, the second cavity is gradually expanded from one end to the other end of the first cavity.

[0010] Optionally, the cooling bottom plate is adapted to the first cavity, and the cooling bottom plate has a rectangular structure.

[0011] Optionally, the water-cooled pipe has a curved U-shaped structure or is a disc-shaped pipe.

[0012] Optionally, a plurality of steel pipes are arranged on the ingot mold body, the steel pipes are arranged in pairs in a symmetrical manner, and the water inlet and the water outlet of the water-cooled pipe are respectively connected to one steel pipe.

[0013] Optionally, two first steel pipes and two second steel pipes are arranged on the two sides of the ingot mold body, the first steel pipes and the second steel pipes are in one-to-one correspondence, and the water inlet and the water outlet of the water-cooled pipe are respectively connected to the two first steel pipes.

[0014] Optionally, a standby pipe is arranged on the water-cooled pipe, a third steel pipe connected to the standby pipe is arranged on the ingot mold body, and a plugging head is movably arranged on the third steel pipe.

[0015] Optionally, the ingot mold body is made of heat-resistant cast iron, 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 advantages that:

[0017] The utility model discloses an improved ingot mould structure, when the molten silicon water enters the ingot mould, a large amount of heat is concentrated at the silicon water pouring point, and the heat is taken away by the water circulation in the disc-shaped water pipe inside the ingot mould, so that the silicon water at the pouring point rapidly forms a solid pad, which serves as a buffer layer for the subsequent silicon water. By taking away the heat generated during the pouring of the silicon water, the use of the traditional pad in the ingot mould is cancelled, which can effectively avoid the melting of external impurities into the finished product silicon water, thereby affecting the quality of the final product, and also speeds up the cooling and forming of the silicon water in the ingot mould. By reducing the cooling time of the finished silicon plate in the ingot mould, the time for the labor personnel to wait for the cooling operation of the ingot mould can be effectively reduced, and the replacement frequency of the ingot mould is also reduced, so that the process production flow realizes long-period continuous stable operation, the labor intensity is effectively reduced, and the work efficiency is improved. By setting the standby port, when temporary urgent use is needed, the standby port can be switched to a new water outlet. By connecting the water cooling pipe in the steel pipe, on the one hand, the steel pipe can be used as an ear, which is convenient for cooperation with the forklift to move the ingot mould, and on the other hand, by setting the explosion-proof layer between the steel pipe and the ingot mould body, the risk of explosion during the water cooling process can be reduced, and the protection performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed 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 diagram of the silicon water cooling ingot mould in the utility model.

[0020] Figure 2 It is a sectional view of an embodiment of the silicon water cooling ingot mould in the utility model.

[0021] Figure 3 It is a structure diagram of embodiment 2.

[0022] Figure 4 It is a structure diagram of embodiment 3.

[0023] The drawings show that 1 is the ingot mould body, 1a is the first cavity, 1b is the second cavity, 1c is the gap, 11 is the first step, 12 is the second step, 13 is the groove, 2 is the cooling bottom plate, 21 is the water cooling pipe, 21a is the water inlet, 21b is the water outlet, 22 is the standby pipe, 31 is the first steel pipe, 32 is the second steel pipe, 33 is the third steel pipe, and 4 is the explosion-proof layer. DETAILED DESCRIPTION

[0024] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different manners without departing from the spirit or scope of the embodiments 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 is to be understood that the terms "center", "longitudinal", "lateral", "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 purpose of facilitating the description of the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element 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" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood 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 this utility model application, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] The following disclosure provides many different implementations or examples for carrying out different structures of the embodiments of this utility model application. To simplify the disclosure of the embodiments of this utility model application, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of this utility model application. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of this utility model application; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0030] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0031] Example 1

[0032] like Figure 1 and Figure 2 As shown in the figure, this utility model application provides a water-cooled silicon ingot mold, including: an ingot mold body 1 and a cooling base plate 2 disposed within the ingot mold body 1. The ingot mold body 1 has a first cavity 1a and a second cavity 1b that are connected to each other. The size of the second cavity 1b is larger than that of the first cavity 1a, and the second cavity 1b is located above the first cavity 1a. The first cavity 1a and the second cavity 1b form a stepped cavity. The cooling base plate 2 is adapted to and locked within the first cavity 1a. A water-cooling pipe 21 is provided inside the cooling base plate 2, and a flowing cooling medium is contained in the water-cooling pipe 21. In use, after silicon water is poured in, the cooling medium can be introduced through the inlet of the water-cooling pipe 21. The cooling medium flows within the water-cooling pipe 21 for internal circulation cooling, thereby removing the heat generated during the pouring of silicon water. This effectively prevents external impurities from melting into the finished silicon water mold and affecting the quality of the final product, while also accelerating the cooling and molding of the silicon water in the ingot mold.

[0033] Optionally, the size and shape of the cooling base plate 2 are adapted to the first cavity 1a.

[0034] Optionally, the cooling base plate 2 has a rectangular structure, that is, the first cavity 1a also has a rectangular structure.

[0035] Optionally, the second cavity 1b is gradually expanded outward from one end of the first cavity 1a.

[0036] Optionally, the depth of the first cavity 1a is equal to or slightly greater than the depth of the second cavity 1b.

[0037] Specifically, the inside of the ingot mold body 1 has a first step 11, which is formed by the inward protrusion of the inner wall of the ingot mold body 1, and the first cavity 1a is formed at the lower part of the ingot mold body 1 and the second cavity 1b is formed at the upper part of the ingot mold body 1 through the first step 11.

[0038] Optionally, the inside of the ingot mold body 1 further has a second step 12, which is formed by the inward protrusion of the inner wall of the bottom of the ingot mold body 1, and the first step 11 is located above the second step 12, and the second step 12 and the first step 11 form a stepped structure, that is, the first cavity 1a is formed at the lower part of the ingot mold body 1 by the second step 12 and the first step 11, and the second cavity 1b is formed at the upper part of the ingot mold body 1 by the first step 11 and the inner wall of the mold. The lower surface of the cooling bottom plate 2 is attached to the second step 12, and there is a gap 1c between the lower surface of the cooling bottom plate 2 and the lower surface of the ingot mold body 1, and the upper surface of the cooling bottom plate 2 is substantially at the same level as the first step 11.

[0039] Optionally, the height of the second step 12 is less than the height of the first step 11, and the width of the second step 12 is less than the width of the first step 11.

[0040] Optionally, the inside of the first step 11 is rounded. Understandably, the first cavity 1b includes a horizontal part, an arc part, and an expanded part, the horizontal part and the arc part are connected on one side, the arc part is connected with the expanded part on the other side, the expanded part is outwardly expanded from one end of the arc part, and the cooling bottom plate 2 is flush with the horizontal part.

[0041] Optionally, the water cooling pipe 21 is in a curved U-shaped structure.

[0042] In an embodiment, a plurality of steel pipes are arranged on the ingot mold body 1, and the plurality of steel pipes are arranged in pairs in a symmetrical manner. Preferably, at least two groups of steel pipes are arranged on the ingot mold body 1.

[0043] Illustratively, two first steel pipes 31 and two second steel pipes 32 are arranged on the two sides of the ingot mold body 1 respectively, and the first steel pipes 31 and the second steel pipes 32 are arranged one by one in a corresponding manner. Through the arrangement of the steel pipes, the ingot mold can be easily moved.

[0044] As an implementation scenario, in this scenario, the water cooling pipe 21 is a disc-shaped pipe. The water inlet 21a and the water outlet 21b of the water cooling pipe 21 are respectively connected to a steel pipe. Illustratively, referring to Figure 1As shown, the water inlet 21a and the water outlet 21b of the disc-shaped tube are on the same side, that is, the water inlet 21a is connected with the first steel tube 31 on the left side, and the water outlet 21b is connected with the first steel tube 31 on the right side. Of course, in other embodiments, the water outlet of the disc-shaped tube can also be arranged in a different direction from the water inlet, such as the water inlet of the disc-shaped tube being connected with the first steel tube 31 on the left side, and the water outlet being connected with the second steel tube 32 on the right side.

[0045] Optionally, the steel tubes connected with the water inlet 21a and the water outlet 21b are circular seamless steel tubes. Of course, all the steel tubes can also be circular seamless steel tubes.

[0046] As an implementation scenario, in this scenario, the cooling medium is a liquid, the outlet and the inlet of the condensing device are connected with the two first steel tubes 31 through pipes, and the water inlet 21a and the water outlet 21b of the water-cooled tube 21 are connected in the first steel tube 31, so that the condensing device and the disc-shaped tube form a circulation loop through the pipes and the first steel tubes.

[0047] Embodiment 2

[0048] Based on embodiment 1, in this embodiment, as shown in Figure 3 , a standby tube 22 is arranged on the water-cooled tube 21 inside the cooling bottom plate 2; correspondingly, a third steel tube 33 is arranged on the ingot mold body 1; one end of the standby tube 22 is connected with the water-cooled tube 21, and the other end is connected with the third steel tube 33; and a plugging head is movably arranged on the third steel tube 33. In use, the standby tube 22 can be switched to a new water outlet as needed, and when switching, the first steel tube 31 originally connected with the water outlet 21b needs to be plugged.

[0049] As an implementation scenario, in this scenario, the third steel tube 33 is two, and the two third steel tubes 33 are symmetrically arranged on the two sides of the ingot mold body 1, and one of the third steel tubes 33 is connected with the standby tube 22.

[0050] Optionally, the two third steel tubes 33 are arranged between the first steel tube 31 and the second steel tube 32. By adding the two third steel tubes 33, the steel tube can be conveniently matched with the forklift, and the ingot mold can be conveniently moved.

[0051] Optionally, a plurality of grooves 13 are arranged on the ingot mold body 1 adjacent to the steel tube, and the plurality of grooves 13 are symmetrically arranged in pairs, as shown in Figure 3 , the steel tube is located on the upper and lower sides of the ingot mold body 1, and the grooves 13 are located on the left and right sides of the ingot mold body 1.

[0052] Embodiment 3

[0053] Based on embodiment 1 or embodiment 2, as shown in Figure 4As shown, the ingot mold body 1 is made of heat-resistant cast iron, one end of each steel pipe is connected with the ingot mold body 1, and the other end of each steel pipe extends to the outside of the ingot mold body 1, and a safety explosion-proof layer 4 is arranged at the connection between the outer periphery of the steel pipe and the ingot mold body 1.

[0054] As an implementation scenario, in the scenario, the water inlet 21a and the water outlet 21b of the water-cooled pipe 21 are sealingly connected in two first steel pipes 31, the standby pipe 22 on the water-cooled pipe 21 is also sealingly connected in a third steel pipe 33, and the first steel pipe 31 and the third steel pipe 33 are provided with a safety explosion-proof layer 4 between the first steel pipe 31 and the third steel pipe 33 and the ingot mold body 1. By arranging the explosion-proof layer 4, the risk of explosion during the water-cooling process can be reduced, and the protection performance is improved.

[0055] As another implementation scenario, the outer periphery of the first steel pipe 31, the second steel pipe 32 and the third steel pipe 33 is provided with a safety explosion-proof layer 4 at the connection between the first steel pipe 31, the second steel pipe 32 and the third steel pipe 33 and the ingot mold body 1.

[0056] The places not described in detail in the embodiment are the technology known in the art.

[0057] 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, any skilled person 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-cooled ingot mold characterized by, The application relates to an ingot mould body (1) with a first cavity (1a) and a second cavity (1b) connected to each other in the inside, wherein the first cavity (1a) and the second cavity (1b) form a stepped structure; a cooling bottom plate (2) is arranged in the first cavity (1a), and a water cooling pipe (21) is arranged in the inside of the cooling bottom plate (2); the inside of the ingot mould body (1) is provided with a first step (11), the first step (11) is used for forming the stepped first cavity (1a) and the second cavity (1b) in the inside of the ingot mould body (1); a second step (12) is further arranged below the first step (11), the cooling bottom plate (2) is arranged on the second step (12), a gap (1c) is formed between the lower surface of the cooling bottom plate (2) and the lower surface of the ingot mould body (1), and the upper surface of the cooling bottom plate (2) is in the same horizontal plane as the first step (11). The depth of the first cavity (1a) is equal to or slightly greater than the depth of the second cavity (1b). The second cavity (1b) is gradually expanded from one end of the first cavity (1a) to the other end. The cooling bottom plate (2) is adapted to the first cavity (1a) and has a rectangular structure.

2. The silicon water-cooled ingot mold of claim 1, wherein The water cooling pipe (21) has a curved U-shaped structure or is a disc-shaped pipe.

3. The silicon water-cooled ingot mold of claim 1, wherein A plurality of steel pipes are arranged on the ingot mould body (1), two steel pipes form a pair of symmetrical arrangement, and the water inlet (21a) and the water outlet (21b) of the water cooling pipe (21) are respectively connected to one steel pipe.

4. The silicon water-cooled ingot mold of claim 1, wherein Two first steel pipes (31) and two second steel pipes (32) are respectively arranged on the two sides of the ingot mould body (1), the first steel pipes (31) and the second steel pipes (32) are one-to-one corresponding, and the water inlet (21a) and the water outlet (21b) of the water cooling pipe (21) are respectively connected to the two first steel pipes (31).

5. The silicon water-cooled ingot mold of claim 1 wherein, A standby pipe (22) is arranged on the water cooling pipe (21), a third steel pipe (33) connected to the standby pipe (22) is arranged on the ingot mould body (1), and a plugging head is movably arranged on the third steel pipe (33).

6. The silicon water-cooled ingot mold of claim 1 wherein, The ingot mould body (1) is made of heat-resistant cast iron, and an explosion-proof layer (4) is arranged on the outer periphery of the steel pipe connected to the ingot mould body (1).

7. The silicon water-cooled ingot mold of claim 1 wherein, ​ 8. The silicon water-cooled ingot mold of claim 7, wherein ​ 9. A silicon water-cooled ingot mold according to claim 6, 7 or 8, characterized in that ​

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