Impurity multi-stage filtering mechanism for preparing high-purity oxygen-free copper rod

Abstract

The utility model relates to the technical field of impurity filtration, especially high -purity oxygen -free copper pole preparation with impurity multistage filter mechanism, include: filter box body, top is equipped with liquid inlet, bottom is provided with liquid outlet, filter support is installed in the inside of filter box body, and the filter support is equipped with primary filter, middle -level filter, precision filter in proper order on the copper liquid flow direction, guide mechanism is installed in the inside of filter box body, and guide mechanism is located the just below of liquid inlet, and the output end of guide mechanism faces the end face of the input of primary filter, a plurality of joint mechanisms are installed on the filter support respectively, and a plurality of joint mechanisms are respectively used for the fixation of primary filter, middle -level filter, precision filter and filter support, three sealing members are installed in the junction of joint mechanism and primary filter, middle -level filter, precision filter respectively, through the utility model discloses, improve equipment maintenance efficiency, reduce downtime.

Description

Technical Field

[0001] This utility model relates to the field of impurity filtration technology, and in particular to a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods. Background Technology

[0002] High-purity oxygen-free copper rods are widely used in high-end manufacturing fields such as electronics, power, and communications due to their excellent electrical conductivity, corrosion resistance, and processing performance. The quality control requirements for impurity content in these products are extremely stringent. In the industrial production process of high-purity oxygen-free copper rods, the filter box is a key core device for removing impurities such as oxides and non-metallic inclusions from molten oxygen-free copper. Located between the holding furnace and the online degassing system, it achieves deep removal of impurities through the step-by-step interception of primary, intermediate, and precision ceramic foam filters, providing high-purity copper liquid for subsequent degassing and continuous casting processes.

[0003] However, most existing three-stage filters in filter boxes adopt a decentralized and independent installation structure. Each filter needs to be fixedly connected to the inner wall of the filter box. When disassembling and replacing them, the filter box body needs to be completely disassembled, which is cumbersome, time-consuming and labor-intensive, resulting in low equipment maintenance efficiency and significantly extending production downtime. Utility Model Content

[0004] This invention provides a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods includes: The filter box body has a liquid inlet at the top and a liquid outlet at the bottom; The filter support is installed inside the filter box body. The filter support is provided with a primary filter, a secondary filter and a precision filter in sequence along the direction of copper liquid flow. The flow guiding mechanism is installed inside the filter box body. The flow guiding mechanism is located directly below the liquid inlet, and the output end of the flow guiding mechanism faces the input end of the primary filter. Multiple snap-fit ​​mechanisms are installed on the filter bracket, and the multiple snap-fit ​​mechanisms are used to fix the primary filter, intermediate filter, and precision filter to the filter bracket; Three seals are installed at the connection points between the snap-fit ​​mechanism and the primary filter, intermediate filter, and precision filter, respectively.

[0006] Furthermore, the filter support has a pull-out structure, and an installation port is provided on one side of the filter box body. The filter support is inserted into the cavity of the filter box body through the installation port, and a sealing end cap is provided at the installation port.

[0007] Furthermore, the filter support is equipped with a sliding guide rail, and the bottom of the filter box body is equipped with a guide rail groove that matches the sliding guide rail. The filter support can be pulled out and moved by the cooperation of the sliding guide rail and the guide rail groove.

[0008] Furthermore, the filter support is equipped with observation windows at the installation positions of the primary filter, intermediate filter, and precision filter, and the observation windows are equipped with transparent high-temperature resistant observation plates.

[0009] Furthermore, the diversion mechanism includes: Mounting bracket, installed inside the filter box body; Multiple flow dividers are inclinedly set at opposite ends of the mounting base, and the multiple flow dividers at both ends of the mounting base are staggered. The surface of the flow dividers is provided with evenly distributed guide grooves, and the flow divider at the bottom end is inclined towards the center area of ​​the primary filter.

[0010] Furthermore, the spacing between adjacent diversion plates is equal, and the cross-section of the diversion channel has a V-shaped structure.

[0011] Furthermore, the card receiving mechanism includes: The positioning platform is installed on the filter bracket, and the primary filter, intermediate filter and precision filter are respectively installed in the positioning slots of the positioning platform; Multiple flexible claws are evenly distributed around the circumference of the positioning platform. The flexible claws are used to fix the primary filter, intermediate filter, and precision filter to the positioning platform.

[0012] Furthermore, the sealing element is a high-temperature resistant graphite gasket, which is respectively attached to the edge end face of the primary filter, intermediate filter, and precision filter and the positioning platform. The outer diameter of the sealing element is adapted to the inner diameter of the positioning platform.

[0013] The following technical effects can be achieved through the technical solution of this utility model: The primary, intermediate, and precision filters are integrated and installed on a filter bracket, achieving a modular three-stage filtration layout. A snap-fit ​​mechanism allows for quick disassembly and replacement of each filter, significantly improving maintenance efficiency. A flow guide mechanism, located directly below the inlet, evenly directs the molten copper to the input end face of the primary filter, preventing damage from localized impacts. The snap-fit ​​mechanism, in conjunction with seals, tightly seals the connections between the primary, intermediate, and precision filters and the filter bracket, preventing unfiltered molten copper from flowing around and ensuring the continuous effectiveness of the three-stage filtration. This significantly improves impurity removal rates. The overall structure is compact and compatible with existing high-purity oxygen-free copper rod production lines, requiring no major modifications for immediate use. It enhances production continuity and reduces production costs while maintaining filtration accuracy. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A schematic diagram of the main structure of a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods; Figure 2 A cross-sectional schematic diagram of a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods; Figure 3 A schematic diagram of the internal structure of a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods; Figure 4 An exploded view of the snap-fit ​​mechanism of a multi-stage impurity filtration system for the preparation of high-purity oxygen-free copper rods; The following are labels in the attached diagram: 1. Filter box body; 11. Sealing end cap; 12. Sliding guide rail; 13. Observation window; 2. Filter bracket; 3. Primary filter; 4. Intermediate filter; 5. Precision filter; 6. Flow guiding mechanism; 61. Mounting base; 62. Diverter plate; 7. Snap-fit ​​mechanism; 71. Positioning platform; 72. Elastic claw; 8. Seal. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0018] This application provides a multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods, including: The filter box body 1 has a liquid inlet at the top and a liquid outlet at the bottom; The filter support 2 is installed inside the filter box body 1. The filter support 2 is provided with a primary filter 3, a secondary filter 4, and a precision filter 5 in sequence along the copper liquid flow direction. The flow guiding mechanism 6 is installed inside the filter box body 1. The flow guiding mechanism 6 is located directly below the liquid inlet, and the output end of the flow guiding mechanism 6 faces the end face of the input end of the primary filter 3. Multiple snap-fit ​​mechanisms 7 are respectively installed on the filter bracket 2. The multiple snap-fit ​​mechanisms 7 are used to fix the primary filter 3, intermediate filter 4, and precision filter 5 to the filter bracket 2. Three seals 8 are respectively installed at the connection points between the snap-fit ​​mechanism 7 and the primary filter 3, intermediate filter 4, and precision filter 5; The technical solution of this utility model integrates a primary filter 3, a secondary filter 4, and a precision filter 5 into a filter bracket 2, achieving a modular layout for three-stage filtration. Combined with a snap-fit ​​mechanism 7, the disassembly and replacement of each filter can be completed quickly, significantly improving maintenance efficiency. A flow guiding mechanism 6, located directly below the inlet, evenly guides the copper liquid to the end face of the input end of the primary filter 3, preventing damage caused by localized impacts from the copper liquid. The snap-fit ​​mechanism 7, in conjunction with a sealing element 8, tightly seals the connection points between the primary filter 3, secondary filter 4, precision filter 5, and filter bracket 2, preventing unfiltered copper liquid from flowing around and ensuring the continuous effectiveness of the three-stage filtration. This significantly improves the impurity removal rate. The overall structure is compact and compatible with existing high-purity oxygen-free copper rod production lines, requiring no major modifications for immediate use. It improves production continuity and reduces production costs while maintaining filtration accuracy.

[0019] During use, the filter bracket 2 has a pull-out structure. The filter box body 1 has an installation port on one side. The filter bracket 2 is inserted into the cavity of the filter box body 1 through the installation port, and a sealing end cap 11 is provided at the installation port. The filter bracket 2 is provided with a sliding guide rail 12, and the bottom of the filter box body 1 is provided with a guide rail groove that is adapted to the sliding guide rail 12. The filter bracket 2 can be pulled out and moved by the cooperation of the sliding guide rail 12 and the guide rail groove. The present invention employs a pull-out structure with its own sliding guide rail 12 adapted to the guide rail groove at the bottom of the filter box body 1, allowing the filter bracket 2 to be smoothly pulled in and out of the cavity of the filter box body 1 along the installation port. The primary filter 3, intermediate filter 4, and precision filter 5 can be fully inspected or replaced without disassembling the filter box body 1, improving maintenance convenience and efficiency. The installation port on one side of the filter box body 1, in conjunction with the sealing end cap 11, seals the connection between the filter box body 1 and the filter bracket 2, preventing copper liquid leakage and the entry of outside air that could disrupt the oxygen-free environment and affect the filtration effect.

[0020] As a preferred embodiment of the above, the filter bracket 2 is provided with observation windows 13 at the installation positions of the primary filter 3, intermediate filter 4 and precision filter 5, and a transparent high-temperature resistant observation plate is provided at the observation windows 13. With the technical solution of this utility model, the observation window 13 is equipped with a transparent high-temperature resistant observation plate, which allows for real-time observation of the surface impurities and copper liquid flow of each filter without opening the filter box body 1 or disrupting the oxygen-free environment. This facilitates timely detection of filter blockage or damage and avoids a decrease in filtration accuracy due to filter failure.

[0021] During use, the flow guiding mechanism 6 includes: Mounting base 61 is installed inside the filter box body 1; Multiple diverter plates 62 are respectively inclinedly arranged at opposite ends of the mounting base 61, and the multiple diverter plates at both ends of the mounting base 61 are staggered. The surface of the diverter plate 62 is provided with evenly distributed guide grooves, and the diverter plate 62 at the bottom end is inclined towards the central area of ​​the primary filter 3. The spacing between adjacent diversion plates 62 is equal, and the cross-section of the diversion channel has a V-shaped structure; Through the technical solution of this utility model, the mounting base 61 provides stable support for multiple diversion plates 62. The diversion plates 62, which are staggered at both ends of the mounting base 61 and have equal spacing, perform multi-stage buffering and diversion of the copper liquid flowing into the inlet, greatly slowing down the flow rate of the copper liquid. The V-shaped guide grooves on the surface of the diversion plate 62 guide the copper liquid to flow in an orderly manner, reducing turbulent impact. Combined with the inclined design of the bottom diversion plate 62 towards the center area of ​​the primary filter 3, the copper liquid acts smoothly and evenly on the end face of the primary filter 3, avoiding local concentrated impact that could cause filter damage.

[0022] As a preferred embodiment of the above embodiment, the latching mechanism 7 includes: Positioning platform 71 is installed on filter bracket 2, and primary filter 3, intermediate filter 4 and precision filter 5 are respectively installed in positioning slots of positioning platform 71; Multiple elastic claws 72 are evenly distributed around the circumference of the positioning table 71. The elastic claws are used to fix the primary filter 3, intermediate filter 4, and precision filter 5 to the positioning table 71. Through the technical solution of this utility model, the positioning platform 71 is installed on the filter bracket 2, and the positioning groove provides the installation benchmark for the primary filter 3, intermediate filter 4 and precision filter 5 respectively, ensuring that they are arranged in an orderly manner along the copper liquid flow direction. Multiple elastic claws 72 evenly distributed around the positioning platform 71 achieve elastic clamping and fixing, which not only ensures the stability of the fixation, but also eliminates the need for additional fastening parts, making disassembly and assembly convenient.

[0023] During use, the sealing element 8 is a high-temperature resistant graphite gasket, and it is respectively attached to the edge end face of the primary filter 3, intermediate filter 4, and precision filter 5 and the positioning table 71. The outer diameter of the sealing element 8 is adapted to the inner diameter of the positioning table 71. The technical solution of this utility model adopts a high-temperature resistant graphite sealing gasket, which is suitable for the high-temperature working conditions of copper liquid filtration. It is not easy to deform or fail, maintains stable sealing performance for a long time, and achieves a complete fit without gaps.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage impurity filtration mechanism for the preparation of high-purity oxygen-free copper rods, characterized in that, include: The filter box body (1) has an inlet at the top and an outlet at the bottom; A filter support (2) is installed inside the filter box body (1). A primary filter (3), a secondary filter (4), and a precision filter (5) are sequentially arranged on the filter support (2) along the copper liquid flow direction. A flow guiding mechanism (6) is installed inside the filter box body (1). The flow guiding mechanism (6) is located directly below the liquid inlet, and the output end of the flow guiding mechanism (6) faces the end face of the input end of the primary filter (3). Multiple snap-fit ​​mechanisms (7) are respectively installed on the filter bracket (2), and the multiple snap-fit ​​mechanisms (7) are respectively used to fix the primary filter (3), the intermediate filter (4), the precision filter (5) to the filter bracket (2); Three seals (8) are respectively installed at the connection points between the snap-fit ​​mechanism (7) and the primary filter (3), the intermediate filter (4), and the precision filter (5).

2. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 1, characterized in that, The filter bracket (2) is a pull-out structure. The filter box body (1) has an installation port on one side. The filter bracket (2) is inserted into the cavity of the filter box body (1) through the installation port, and a sealing end cap (11) is provided at the installation port.

3. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 1, characterized in that, The filter bracket (2) is provided with a sliding guide rail (12), and the bottom of the filter box body (1) is provided with a guide rail groove that is adapted to the sliding guide rail (12). The filter bracket (2) can be pulled and moved by the cooperation of the sliding guide rail (12) and the guide rail groove.

4. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 1, characterized in that, The filter support (2) is provided with observation windows (13) at the installation positions of the primary filter (3), the intermediate filter (4) and the precision filter (5), and a transparent high-temperature resistant observation plate is provided at the observation window (13).

5. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 1, characterized in that, The flow guiding mechanism (6) includes: Mounting base (61) is installed inside the filter box body (1); Multiple diverter plates (62) are respectively inclinedly arranged at opposite ends of the mounting base (61), and multiple separation plates at both ends of the mounting base (61) are staggered. The surface of the diverter plate (62) is provided with uniformly distributed guide grooves, and the diverter plate (62) at the bottom end is inclined towards the central area of ​​the primary filter (3).

6. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 5, characterized in that, The spacing between adjacent diversion plates (62) is equal, and the cross-section of the diversion channel is V-shaped.

7. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 1, characterized in that, The latching mechanism (7) includes: The positioning platform (71) is installed on the filter bracket (2), and the primary filter (3), the intermediate filter (4), and the precision filter (5) are respectively installed in the positioning slots of the positioning platform (71); Multiple elastic claws (72) are evenly distributed around the circumference of the positioning platform (71). The elastic claws (72) are used to fix the primary filter (3), the intermediate filter (4), the precision filter (5) and the positioning platform (71).

8. The multi-stage impurity filtration mechanism for preparing high-purity oxygen-free copper rods according to claim 7, characterized in that, The sealing element (8) is respectively attached to the edge end face of the primary filter (3), the intermediate filter (4), and the precision filter (5) and the positioning table (71), and the outer diameter of the sealing element (8) is adapted to the inner diameter of the positioning table (71).

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