Residue separator structure
By using two layers of refractory layers and cooling pipeline structures of different materials in the slag dispenser, the problems of high maintenance costs and high labor intensity of existing slag dispensers are solved, and a more economical and efficient maintenance method is achieved, reducing fire resistance erosion rate and temperature of the layer.
Patent Information
- Application Number
- CN202323601376.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
All materials need to be replaced during maintenance of existing slag dispensers, resulting in high costs and high labor intensity. The erosion depths of different parts of the refractory material are different, making it difficult to repair severe erosion areas separately.
Design a slag dispenser structure, adopting two refractory layers of different materials, and adding a second refractory layer between the first refractory layer and the shell. After the smelting cycle is over, only the first refractory layer that is eroded is replaced, and the cooling pipeline is cooled. and blower assists in reducing erosion rates and temperature.
Save maintenance costs, reduce operator labor intensity, and improve the reliability and cooling effect of the refractory layer through cooling pipelines and blowers.
Smart Images
Figure CN222187819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smelting generation, in particular to a slag separator structure. Background Art
[0002] Melting is a common process that can be used to produce cast iron parts. For example, in cupola melting production, a slag separator is usually connected to the cupola to separate the liquid slag from the body liquid.
[0003] In the prior art, usually, the outer shell of the slag separator is made of steel plate and lined with refractory material to prevent erosion by high-temperature liquid; however, since different parts of the refractory material are corroded to different depths, and there are residual slag and iron on the inner wall, the bonding force between the new and old materials is weak, so the severely corroded parts cannot be repaired separately. Each overhaul requires all materials of the slag separator to be removed, which wastes material costs and increases the labor intensity of the operator.
[0004] Therefore, how to design a slag separator structure that saves costs and reduces the labor intensity of operators during maintenance has become a technical problem that needs to be solved urgently in this field. Utility Model Content
[0005] The purpose of the utility model is to at least solve the problem of how to save the maintenance cost of the slag separator and reduce the labor intensity of the operator. This purpose is achieved through the following technical solutions:
[0006] The first aspect of the utility model proposes a slag separator structure, comprising: a slag separator body, the slag separator body comprising a shell having an inner cavity, and a bridge, a slag outlet, an iron outlet and a residual iron outlet respectively connected to the inner cavity, the bridge being used to connect with the liquid outlet of the smelting furnace; a first refractory layer, the first refractory layer being arranged around the outside of the inner cavity; and a second refractory layer, the second refractory layer being arranged between the first refractory layer and the inner wall of the shell, the first refractory layer and the second refractory layer being made of different materials.
[0007] The slag separator structure provided by the utility model has a clear boundary between the first refractory layer and the second refractory layer due to the different materials of the two layers. After the smelting furnace has smelted a melting cycle, it is only necessary to remove the corroded first refractory layer and rebuild it, without removing both the first refractory layer and the second refractory layer completely. This saves maintenance costs and reduces the labor intensity of operators.
[0008] In some embodiments of the utility model, the slag separator structure also includes a cooling pipeline, which includes a main pipeline, a cold inlet pipe and a cold outlet pipe; the main pipeline is arranged in the second refractory layer, and the main pipeline is used for the circulation of cooling medium; the cold inlet pipe and the cold outlet pipe are respectively located on both sides of the main pipeline and are connected to the main pipeline, and the cold inlet pipe and the cold outlet pipe both pass through the shell to extend to the outside of the slag separator structure.
[0009] In some embodiments of the present invention, the extension direction of the main pipeline is the same as the extension direction of the inner cavity.
[0010] In some embodiments of the present invention, the slag separator structure further includes a blower, and the blower is used to blow cold air into the cooling inlet pipe.
[0011] In some embodiments of the utility model, the blower has a valve, and the valve is used to adjust the amount of cold air blown into the cold pipe by the blower.
[0012] In some embodiments of the present invention, the slag separator structure further includes a temperature measuring device, which is used to detect the temperature of the molten iron flowing out of the tapping hole.
[0013] In some embodiments of the present invention, the cooling pipeline includes at least a first pipeline and a second pipeline, and the first pipeline and the second pipeline are respectively arranged on both sides of the inner cavity.
[0014] In some embodiments of the present invention, the first refractory layer and the second refractory layer are both amorphous refractory material layers.
[0015] In some embodiments of the present invention, the first refractory layer is a ramming material layer.
[0016] In some embodiments of the present invention, the second refractory layer is a casting material layer. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:
[0018] Figure 1 A cross-sectional view of a top view of a slag separator structure provided in an embodiment of the utility model;
[0019] Figure 2 A cross-sectional view of a side view of a slag separator structure provided in an embodiment of the utility model.
[0020] The figure numbers are as follows: 1. first refractory layer; 2. second refractory layer; 3. inner cavity; 4. shell; 5. bridge; 6. slag outlet; 7. iron outlet; 8. residual iron outlet; 9. cooling pipeline; 10. main pipeline; 11. cold inlet pipe; 12. cold outlet pipe; 13. first pipeline; 14. second pipeline. DETAILED DESCRIPTION
[0021] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0022] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.
[0023] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.
[0024] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.
[0025] Figure 1 A cross-sectional view of a top view of a slag separator structure provided in an embodiment of the utility model; Figure 2 The sectional view of the side view of the slag separator structure provided by the embodiment of the utility model. Figure 1 and Figure 2 As shown, according to an embodiment of the present utility model, a slag separator structure is proposed, comprising: a slag separator body, a first refractory layer 1 and a second refractory layer 2; wherein, the slag separator body comprises a shell 4 having an inner cavity 3, and a bridge 5, a slag outlet 6, an iron outlet 7 and a residual iron outlet 8 respectively connected to the inner cavity 3, and the bridge 5 is used to connect with the liquid outlet of the smelting furnace; the first refractory layer 1 is arranged on the outside of the inner cavity 3, and the second refractory layer 2 is arranged between the first refractory layer 1 and the inner wall of the shell 4, and the first refractory layer 1 and the second refractory layer 2 are made of different materials.
[0026] The thickness of the first refractory layer 1 is in the range of 170 mm to 200 mm, for example, 180 mm; the thickness of the second refractory layer 2 is in the range of 120 mm to 150 mm, for example, 140 mm. It should be noted that the thickness of the first refractory layer 1 and the second refractory layer 2 in this embodiment is only for illustration, and the specific thickness may be based on the actual working conditions and is not limited.
[0027] The slag separator structure provided in this embodiment has a clear boundary between the first refractory layer 1 and the second refractory layer 2 because the materials of the two layers are different. After the smelting furnace has smelted for a melting cycle, it is only necessary to remove the corroded first refractory layer 1 and rebuild it, without removing both the first refractory layer 1 and the second refractory layer 2. This saves maintenance costs and reduces the labor intensity of the operator.
[0028] refer to Figure 1 and Figure 2As an optional embodiment, the slag separator structure also includes a cooling pipeline 9, which includes a main pipeline 10, a cooling inlet pipe 11 and a cooling outlet pipe 12; the main pipeline 10 is arranged in the second refractory layer 2, and the main pipeline 10 is used for the circulation of cooling medium; the cooling inlet pipe 11 and the cooling outlet pipe 12 are respectively located on both sides of the main pipeline 10 and are both connected to the main pipeline 10, and the cooling inlet pipe 11 and the cooling outlet pipe 12 both penetrate the shell 4 to extend to the outside of the slag separator structure.
[0029] The distance between the cooling pipe 9 and the shell 4 of the slag separator body ranges from 15 mm to 30 mm, for example, 20 mm. It should be noted that the distance between the cooling pipe 9 and the shell 4 in this embodiment is only for example, and the specific distance may be based on actual working conditions and is not limited.
[0030] In this embodiment, a cooling pipeline 9 for circulating a cooling medium is provided to reduce the temperature of the molten iron, thereby reducing the rate at which the refractory material is eroded, avoiding excessive erosion of the first refractory layer 1, and further ensuring the reliability of the first refractory layer 1.
[0031] Continue to refer Figure 1 and Figure 2 As an optional implementation, the extension direction of the main line 10 is the same as the extension direction of the inner cavity 3.
[0032] In this embodiment, the extension direction of the main pipeline 10 is set to be the same as the extension direction of the inner cavity 3, so that the cooling medium can be more evenly distributed around the molten iron flow path, thereby improving the cooling effect.
[0033] In addition, the main pipe 10 may be arranged in a serpentine structure to increase the coverage area of the cooling medium and further improve the cooling effect.
[0034] As an optional embodiment, the slag separator structure further includes a blower, which is used to blow cold air into the cooling inlet pipe 11. The blower has a valve, which is used to adjust the amount of cold air blown into the cooling inlet pipe 11 by the blower. The slag separator structure also includes a temperature measuring device, which is used to detect the temperature of the molten iron flowing out of the tapping hole 7.
[0035] The temperature measuring device may be a smelting thermometer, which directly contacts the molten iron flowing out of the iron mouth to measure its temperature.
[0036] In this embodiment, when the temperature measuring device detects that the temperature of the molten iron flowing out of the iron outlet 7 is higher than the temperature setting standard, the blower is turned on, and the blower blows cold air into the cold inlet pipe 11, and the cold air flows through the main line 10 and then circulates through the cold outlet pipe 12.
[0037] The following is an example of the cooling process:
[0038] For example, the temperature setting standard is 1500°C; when the temperature of the molten iron flowing out of the iron outlet 7 is detected to be 1520°C, it means that the temperature of the molten iron is relatively high at this time, then the blower is turned on, and a small amount of cold air is blown into the cooling inlet pipe 11 by adjusting the valve; when the temperature of the molten iron flowing out of the iron outlet 7 is detected to be 1600°C, it means that the temperature of the molten iron is already very high at this time, then the blower is turned on, and a large amount of cold air is blown into the cooling inlet pipe 11 by adjusting the valve; until it is detected that the temperature of the molten iron flowing out of the iron outlet 7 is not higher than 1500°C, then the blower is turned off.
[0039] This setting can adjust the amount of cooling according to the temperature of the molten iron, further saving costs, and can relatively accurately control the temperature of the molten iron so that it is not too high or too low, thereby ensuring the efficiency of smelting.
[0040] like Figure 1 As shown, as an optional embodiment, the cooling pipeline 9 includes at least a first pipeline 13 and a second pipeline 14, and the first pipeline 13 and the second pipeline 14 are respectively arranged on both sides of the inner cavity 3.
[0041] In this embodiment, the first pipeline 13 and the second pipeline 14 are respectively arranged on both sides of the inner cavity 3, so that the cooling medium can be more distributed around the molten iron flow path, further improving the cooling effect. It should be noted that this embodiment is only illustrated by two cooling pipelines 9, and the number of cooling pipelines 9 can be more, depending on the actual working conditions, and is not limited.
[0042] As an optional implementation, both the first refractory layer 1 and the second refractory layer 2 are amorphous refractory material layers. The first refractory layer 1 is a ramming material layer, and the second refractory layer 2 is a casting material layer.
[0043] The following example illustrates the disassembly and assembly method of the slag separator provided by the utility model:
[0044] During assembly, firstly, two sets of cooling pipes 9 (i.e., the first pipe 13 and the second pipe 14) are welded and embedded on both sides of the inner cavity 3 of the slag separator. The cooling pipes 9 can be made of steel pipes. Tests should be conducted to ensure that the cooling pipes 9 are not damaged, and the surface should be polished clean to ensure that there is no debris or rust. Then, the No. 1 mold is installed, and the second refractory layer 2 is casted using the casting material. After the casting material solidifies, the No. 2 mold is installed, and the first refractory layer 1 is formed using the ramming material. After baking, it is put into use, and the assembly is completed.
[0045] After the smelting furnace has smelted for a melting cycle, the ramming material of the first refractory layer 1 is removed, and then ramming material is added again and knotted to form a new first refractory layer 1 .
[0046] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A slag separator structure, characterized in that: include: A slag separator body, the slag separator body comprising a shell having an inner cavity, and a bridge, a slag outlet, an iron outlet and a residual iron outlet respectively connected to the inner cavity, the bridge being used to be connected to a liquid outlet of a smelting furnace; a first fire-resistant layer, the first fire-resistant layer being arranged around the outer side of the inner cavity; as well as The second fire-resistant layer is disposed between the first fire-resistant layer and the inner wall of the shell, and the first fire-resistant layer and the second fire-resistant layer are made of different materials.
2. The slag separator structure according to claim 1, characterized in that: The slag separator structure also includes a cooling pipeline, which includes a main pipeline, a cooling inlet pipe and a cooling outlet pipe; The main pipeline is arranged in the second fire-resistant layer, and the main pipeline is used for the circulation of cooling medium; The cooling inlet pipe and the cooling outlet pipe are respectively located at both sides of the main pipeline and are both communicated with the main pipeline. The cooling inlet pipe and the cooling outlet pipe both penetrate the shell to extend to the outside of the slag separator structure.
3. The slag separator structure according to claim 2, characterized in that: The extending direction of the main pipeline is the same as the extending direction of the inner cavity.
4. The slag separator structure according to claim 2, characterized in that: The slag separator structure also includes a blower, and the blower is used to blow cold air into the cooling inlet pipe.
5. The slag separator structure according to claim 4, characterized in that: The blower has a valve, and the valve is used to adjust the amount of cold air blown into the cold inlet pipe by the blower.
6. The slag separator structure according to claim 5, characterized in that: The slag separator structure also includes a temperature measuring device, which is used to detect the temperature of the molten iron flowing out of the iron outlet.
7. The slag separator structure according to claim 2, characterized in that: The cooling pipeline at least includes a first pipeline and a second pipeline, and the first pipeline and the second pipeline are respectively arranged on both sides of the inner cavity.
8. The slag separator structure according to claim 1, characterized in that: The first refractory layer and the second refractory layer are both amorphous refractory material layers.
9. The slag separator structure according to any one of claims 1 to 8, characterized in that: The first refractory layer is a ramming material layer.
10. The slag separator structure according to claim 9, characterized in that: The second refractory layer is a casting material layer.