Burning loss-free in-furnace material pipe

Abstract

According to the technical scheme, the burning-loss-free in-furnace material pipe is characterized in that the burning-loss-free in-furnace material pipe comprises a material pipe head stretching into a smoke hood, a high-aluminum refractory material layer is arranged on the outer side of the material pipe head in a knotting mode, a connecting plate is fixedly arranged on the inner side of the smoke hood, and the top of the high-aluminum refractory material layer is fixedly connected with the connecting plate through a bolt; a cooling water inlet is formed in the top of the outer surface of the material pipe head, a cooling water outlet is formed in one side of the cooling water inlet, and the cooling water inlet is communicated with the cooling water outlet; by arranging the cooling water inlet and the cooling water outlet, water can be introduced into the material pipe head for cooling, and meanwhile, the high-aluminum refractory material layer is knotted outside the material pipe head, so that the material pipe head extending into the smoke hood can resist high temperature and arc light corrosion, the phenomena of burning loss and water leakage are avoided, and the service life of the in-furnace material pipe is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial silicon furnaces in the metallurgical industry, in particular to a material pipe in a furnace without burning damage. Background Art

[0002] The in-furnace material pipe is mainly used in industrial silicon furnaces. It is a material pipe that feeds into the furnace through the smoke hood. Under normal circumstances, the material pipe feeds into the furnace through the smoke hood. The material pipe extends into the smoke hood. Due to the high temperature of the smoke in the smoke hood, 350℃~850℃, and the erosion of arc light, the life of the in-furnace material pipe is short. There are leakage and burning phenomena within 1 to 3 months. In addition, after the in-furnace material pipe is damaged, the entire in-furnace material pipe needs to be replaced, which increases the loss of the in-furnace material pipe. For this reason, a non-burning in-furnace material pipe is designed. Utility Model Content

[0003] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a furnace material pipe without burning damage to solve the problems mentioned in the background technology.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] The material pipe in the furnace without burning damage comprises a material pipe head extending into the interior of the smoke hood, the outer side of the material pipe head is knotted and provided with a high-aluminum refractory material layer, the inner side of the smoke hood is fixedly provided with a connecting plate, the top of the high-aluminum refractory material layer is fixedly connected to the connecting plate by bolts, the top of the outer surface of the material pipe head is provided with a cooling water inlet, one side of the cooling water inlet is provided with a cooling water outlet, and the cooling water inlet is connected to the cooling water outlet;

[0006] The other end of the material pipe head is connected to a connecting head, the other end of the connecting head is connected to an extended pipe, the other end of the connecting head is integrally formed with a first connecting plate, one end of the extended pipe is integrally formed with a second connecting plate, the first connecting plate and the second connecting plate are fixedly connected by a connecting assembly, and the other end of the extended pipe is fixedly provided with an external flange.

[0007] By adopting the above technical scheme, by setting a cooling water inlet and a cooling water outlet, water can be passed into the inside of the material pipe head for cooling, and at the same time, a high-aluminum refractory layer is tied on the outside of the material pipe head, so that the material pipe head extending into the smoke hood can withstand high temperature and arc corrosion, thereby achieving no burning and water leakage, which is beneficial to increasing the service life of the material pipe in the furnace; by reducing the length of the material pipe head extending into the smoke hood, and by providing a connecting component, the material pipe head and the extension pipe can be disassembled and assembled, so that the material pipe head can be replaced separately, so that the extension pipe can be reused, which is beneficial to reducing the loss of the material pipe in the furnace.

[0008] Preferably, the length of the material pipe head extending into the interior of the smoke hood is set to 200 mm.

[0009] By adopting the above technical solution, the length of the material pipe head extending into the interior of the smoke hood can be reduced without affecting the feeding process, thereby reducing losses.

[0010] Preferably, a water guide groove for connecting the cooling water inlet and the cooling water outlet is provided inside the material pipe head, and the water guide groove is provided inside the inner wall of the material pipe head.

[0011] By adopting the above technical solution, the circulation of cooling water is facilitated, and the temperature of the material pipe head is easily lowered.

[0012] Preferably, the connecting assembly includes a fastening screw, a nut and a rubber sealing gasket, the first connecting plate and the second connecting plate are fixedly connected by the fastening screw and the nut, the rubber sealing gasket is arranged between the first connecting plate and the second connecting plate, and the fastening screws and the nuts are each correspondingly arranged in at least six groups.

[0013] By adopting the above technical solution, it is convenient to seal and connect and disassemble the connector and the extended pipe.

[0014] Preferably, at least six groups of positioning connection holes are evenly opened on the circumference of the external flange.

[0015] By adopting the above technical solution, it is convenient to connect and fix the extended pipeline with the external material delivery pipeline.

[0016] Preferably, a cooling water containing chamber is provided inside the outer side of the smoke hood.

[0017] By adopting the above technical solution, it is convenient to cool the outer surface of the smoke hood.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] First, the utility model can cool the inside of the material pipe head by providing a cooling water inlet and a cooling water outlet, and at the same time, a high-aluminum refractory layer is tied on the outside of the material pipe head, so that the material pipe head extending into the smoke hood can withstand high temperature and arc corrosion, thereby achieving no burning or water leakage, which is beneficial to increase the service life of the material pipe;

[0020] Secondly, the utility model reduces the length of the material pipe head extending into the smoke hood, and at the same time, through the provided connection assembly, the material pipe head and the extended pipe can be disassembled and assembled, so that the material pipe head can be replaced separately, and the extended pipe can be reused, which is beneficial to reduce the loss of the material pipe in the furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic cross-sectional view of the structure of the utility model;

[0022] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 3 It is a schematic cross-sectional view of the material pipe head of the utility model.

[0024] Figure numerals: 1. smoke hood; 2. material pipe head; 3. high aluminum refractory material layer; 4. connecting plate; 5. bolt; 6. cooling water inlet; 7. cooling water outlet; 8. connecting head; 9. extension pipe; 10. first connecting plate; 11. second connecting plate; 12. connecting assembly; 121. fastening screw; 122. nut; 123. rubber sealing gasket; 13. external flange; 14. water guide groove; 15. positioning connecting hole; 16. cooling water containing chamber. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1

[0027] refer to Figure 1-3 , no burning of the material pipe in the furnace, including the material pipe head 2 extending into the interior of the smoke hood 1, reference Figure 1 , in order to reduce the length of the material pipe head 2 extending into the interior of the smoke hood 1 without affecting the feeding process, thereby reducing losses; the length of the material pipe head 2 extending into the interior of the smoke hood 1 is set to 200mm; a high-aluminum refractory layer 3 is knotted on the outer side of the material pipe head 2, a connecting plate 4 is fixedly arranged on the inner side of the smoke hood 1, and the top of the high-aluminum refractory layer 3 is fixedly connected to the connecting plate 4 by bolts 5, a cooling water inlet 6 is arranged on the top of the outer surface of the material pipe head 2, a cooling water outlet 7 is arranged on one side of the cooling water inlet 6, and the cooling water inlet 6 is connected to the cooling water outlet 7; reference Figure 3 In order to facilitate the circulation of cooling water and to cool the material pipe head 2, a water guide groove 14 for connecting the cooling water inlet 6 and the cooling water outlet 7 is provided inside the material pipe head 2, and the water guide groove 14 is provided inside the inner wall of the material pipe head 2;

[0028] The other end of the material pipe head 2 is connected to a connecting head 8, and the other end of the connecting head 8 is connected to an extended pipe 9. The other end of the connecting head 8 is integrally formed with a first connecting plate 10, and one end of the extended pipe 9 is integrally formed with a second connecting plate 11. The first connecting plate 10 and the second connecting plate 11 are fixedly connected by a connecting component 12, and the other end of the extended pipe 9 is fixedly provided with an external flange 13.

[0029] refer to Figure 1 and Figure 2 , in order to facilitate the sealed connection and disassembly of the connector 8 and the extension pipe 9; the connecting assembly 12 includes a fastening screw 121, a nut 122 and a rubber sealing pad 123, the first connecting plate 10 and the second connecting plate 11 are fixedly connected by the fastening screw 121 and the nut 122, the rubber sealing pad 123 is arranged between the first connecting plate 10 and the second connecting plate 11, and the fastening screw 121 and the nut 122 are correspondingly arranged in at least six groups.

[0030] refer to Figure 1 In order to facilitate the connection and fixation of the extended pipeline 9 with the external material delivery pipeline, at least six groups of positioning connection holes 15 are evenly opened on the circumference of the external flange 13.

[0031] refer to Figure 1 In order to facilitate the cooling of the outer surface of the smoke hood, a cooling water receiving chamber 16 is provided inside the outer side of the smoke hood 1.

[0032] Principle and advantages of use:

[0033] The utility model provides a cooling water inlet 6 and a cooling water outlet 7, so that water can be passed into the material pipe head 2 for cooling. At the same time, a high-aluminum refractory layer 3 is tied on the outside of the material pipe head 2, so that the material pipe head 2 extending into the smoke hood 1 can withstand high temperature and arc corrosion, thereby achieving no burning and water leakage, which is beneficial to increasing the service life of the material pipe; by reducing the length of the material pipe head 2 extending into the smoke hood 1, and by providing a connecting component 12, the material pipe head 2 and the extension pipe 9 can be disassembled and assembled, so that the material pipe head 2 can be replaced separately, so that the extension pipe 9 can be reused, which is beneficial to reducing the loss of the material pipe in the furnace.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. No burning of the material pipe in the furnace, characterized by: It comprises a material pipe head (2) extending into the interior of a smoke hood (1), a high-aluminum refractory material layer (3) being arranged in a knotted manner on the outer side of the material pipe head (2), a connecting plate (4) being fixedly arranged on the inner side of the smoke hood (1), the top of the high-aluminum refractory material layer (3) being fixedly connected to the connecting plate (4) by bolts (5), a cooling water inlet (6) being arranged on the top of the outer surface of the material pipe head (2), a cooling water outlet (7) being arranged on one side of the cooling water inlet (6), and the cooling water inlet (6) being arranged in communication with the cooling water outlet (7); The other end of the material pipe head (2) is connected to a connecting head (8), the other end of the connecting head (8) is connected to an extended pipe (9), the other end of the connecting head (8) is integrally formed with a first connecting plate (10), one end of the extended pipe (9) is integrally formed with a second connecting plate (11), the first connecting plate (10) and the second connecting plate (11) are fixedly connected via a connecting assembly (12), and the other end of the extended pipe (9) is fixedly provided with an external flange (13); the length of the material pipe head (2) extending into the interior of the smoke hood (1) is set to 200 mm.

2. The non-burning furnace material tube according to claim 1 is characterized in that: A water guide groove (14) for connecting the cooling water inlet (6) and the cooling water outlet (7) is arranged inside the material pipe head (2); the water guide groove (14) is arranged inside the inner wall of the material pipe head (2).

3. The non-burning furnace material tube according to claim 1 is characterized in that: The connection assembly (12) comprises a fastening screw (121), a nut (122) and a rubber sealing pad (123); the first connection plate (10) and the second connection plate (11) are fixedly connected via the fastening screw (121) and the nut (122); the rubber sealing pad (123) is arranged between the first connection plate (10) and the second connection plate (11); and at least six sets of the fastening screw (121) and the nut (122) are arranged correspondingly.

4. The non-burning furnace material tube according to claim 1, characterized in that: At least six groups of positioning connection holes (15) are evenly arranged on the circumference of the external flange (13).

5. The non-burning furnace material tube according to claim 1 is characterized in that: A cooling water receiving chamber (16) is provided inside the outer side of the smoke hood (1).

Images