Upward continuous casting crystallizer for producing oxygen-free copper material
By introducing sealing components and threaded connection structures into the crystallizer for oxygen-free copper production, the problem of scale buildup in the cooling copper jacket affecting the cooling effect was solved, enabling convenient disassembly and replacement of the cooling copper jacket and graphite shaping tube, thus improving equipment maintenance efficiency.
Patent Information
- Application Number
- CN202520273744.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The cooling copper sleeves of existing oxygen-free copper material crystallizers are prone to scale buildup after prolonged use, which affects the cooling effect and makes disassembly and replacement inconvenient.
A crystallizer structure including a sealing component was designed. The cooling copper sleeve and graphite shaping tube are conveniently fixed and disassembled through the threaded connection of the plug and the cap. The inlet and outlet are equipped with threaded cylinders to facilitate disassembly. The cooling copper sleeve is positioned by keyway and key bar to ensure that the installation position of the cooling copper sleeve is aligned.
It enables convenient disassembly and replacement of the cooling copper sleeve and graphite shaped tube, improving the stability of the cooling effect and the ease of maintenance.
Smart Images

Figure CN223733803U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to copper material crystallizer technical field, specifically point to a kind of up-drawing continuous casting crystallizer for oxygen-free copper production. BACKGROUND
[0002] The up-drawing continuous casting crystallizer for oxygen-free copper production is a key equipment in the up-drawing continuous casting process, mainly comprising a cooling copper sleeve, a graphite sizing tube, an inlet and outlet water cooling system and connecting components. When oxygen-free copper liquid enters the crystallizer through a flow channel, the cooling water in the cooling copper sleeve of the crystallizer rapidly removes the heat of the copper liquid, so that the copper liquid rapidly solidifies and crystallizes on the inner wall of the graphite sizing tube, forming a billet shell of oxygen-free copper.
[0003] The cooling copper sleeve of the crystallizer in the prior art is generally fixed inside the crystallizer, but has some drawbacks: the cooling water in the cooling copper sleeve will form scale after long-term use, which will affect the speed of water flow and the cooling effect of the graphite sizing tube, and the cooling copper sleeve is inconvenient to disassemble, clean or replace. Therefore, improvement is needed. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is that the cooling copper sleeve inside the crystallizer in the prior art will form scale inside after long-term use, which will affect the cooling effect of the graphite sizing tube, and the cooling copper sleeve is inconvenient to disassemble and replace.
[0005] To achieve the above functions, the utility model adopts the following technical scheme: an up-drawing continuous casting crystallizer for oxygen-free copper production, comprising a crystallizer body, a cooling copper sleeve inside the crystallizer body, a graphite sizing tube passing through the inside of the cooling copper sleeve, a water inlet and a water outlet provided on the outer end face of the crystallizer body and respectively communicating with the cooling copper sleeve, a copper material forming channel provided in the center of the graphite sizing tube, and a plugging assembly provided at both ends of the crystallizer body to pluggingly fix the cooling copper sleeve and the graphite sizing tube.
[0006] Further, the plugging assembly comprises a plug screw, the plug screw is threadedly connected with the inner wall of the crystallizer body, a plug screw cap is provided on the plug screw and has a larger diameter than the plug screw.
[0007] Further, the inside of the cooling copper sleeve is provided as a hollow cavity, the inside of the cooling copper sleeve is provided with a spiral water channel, and the upper and lower outlets of the spiral water channel respectively communicate with the water inlet and the water outlet.
[0008] Further, a key groove is provided on the inner wall of the crystallizer body, a key strip is provided on the outer wall of the cooling copper sleeve, and the key strip can be inserted into the key groove.
[0009] Further, the inner wall of the cooling copper sleeve is provided with a thread hole, the water inlet and the water outlet are both provided with a threaded cylinder, and the threaded cylinder is threadedly connected with the thread hole.
[0010] Further, the connection part of the threaded cylinder and the water inlet or the water outlet is provided with a sealing gasket.
[0011] The utility model discloses adopt above -mentioned structure and obtain beneficial effect as follows:
[0012] 1, the utility model discloses a plugging assembly is set up, and the silk plug is screwed into the crystallizer body, and the graphite sizing pipe and the cooling copper sleeve are fixed simultaneously, and the silk plug is removed, and the cooling copper sleeve and the graphite sizing pipe can be replaced, which is very convenient.
[0013] 2, the utility model discloses the end of the water inlet and the water outlet is provided with a threaded cylinder, and the water inlet and the water outlet are convenient to remove, and the key groove and the key strip are arranged, so as to position the installation position of the cooling copper sleeve, and make the thread hole align with the water inlet or the water outlet. ACCURACY
[0014] Figure 1 It is the overall structural drawing of the up-drawing continuous casting crystallizer for oxygen-free copper material production.
[0015] Figure 2 It is the transverse sectional view of the cooling copper sleeve of the up-drawing continuous casting crystallizer for oxygen-free copper material production.
[0016] Figure 3 It is the longitudinal sectional view of the cooling copper sleeve of the up-drawing continuous casting crystallizer for oxygen-free copper material production.
[0017] Figure 4 It is the structural schematic view of the water inlet or the water outlet.
[0018] 1, the crystallizer body, 2, the cooling copper sleeve, 3, the graphite sizing pipe, 4, the copper material forming channel, 5, the water inlet, 6, the water outlet, 7, the plugging assembly, 8, the silk plug, 9, the silk cap, 10, the spiral water channel, 11, the key groove, 12, the key strip, 13, the thread hole, 14, the threaded cylinder, 15, the sealing gasket. CONCRETE IMPLEMENTING METHOD
[0019] The technical scheme of the utility model will be described clearly and completely in connection with the drawings, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the scope of the utility model protection.
[0020] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0021] As Figures 1-4 , the utility model discloses a top drawing continuous casting crystallizer for oxygen-free copper material production, including crystallizer body 1, the inside of crystallizer body 1 is equipped with cooling copper bush 2, is equipped with key groove 11 on the inner wall of crystallizer body 1, is equipped with key strip 12 on the outer wall of cooling copper bush 2, key strip 12 can be inserted into key groove 11 exactly, is equipped with graphite shaping tube 3 in the inside of cooling copper bush 2, the outer end surface of crystallizer body 1 is equipped with water inlet 5 and water outlet 6 and is communicated with cooling copper bush 2 respectively, is equipped with nipple 13 in the inner wall of cooling copper bush 2, is equipped with threaded cylinder 14 on water inlet 5 and water outlet 6, threaded cylinder 14 is connected in screw thread with nipple 13, is equipped with sealing washer 15 at the junction of threaded cylinder 14 and water inlet 5 or water outlet 6, copper material forming channel 4 is arranged in the center of graphite shaping tube 3, and the both ends of crystallizer body 1 are equipped with plugging assembly 7 to block and fix cooling copper bush 2 and graphite shaping tube 3.
[0022] As Figure 1 , plugging assembly 7 includes plug 8, plug 8 is connected in screw thread with the inner wall of crystallizer body 1, is equipped with screw cap 9 on plug 8 and is larger than the diameter of plug 8, and screw cap 9 is screwed, plug 8 is screwed into crystallizer body 1, can fix the both ends of cooling copper bush 2, also facilitates the replacement of cooling copper bush 2.
[0023] As Figure 2 and 3 , the inside of cooling copper bush 2 is hollow, the inside of cooling copper bush 2 is equipped with spiral water channel 10, the upper and lower outlets of spiral water channel 10 are communicated with water inlet 5 and water outlet 6 respectively, cooling medium is passed into spiral water channel 10, and the heat of graphite shaping tube 3 is taken away by the circulation of cooling medium, to realize the rapid cooling of oxygen-free copper material.
[0024] Specific use, when installing cooling copper bush 2, first make key strip 12 align with key groove 11, insert into crystallizer body 1, then insert graphite shaping tube 3 into cooling copper bush 2 and adhere to it, then screw plug 8 into crystallizer body 1, until screw cap 9 is blocked, at this time, plug 8 is just pressed and fixed to the both ends of graphite shaping tube 3 and cooling copper bush 2.
[0025] The water inlet 5 or the water outlet 6 is inserted into the crystallizer body 1, the threaded cylinder 14 is screwed into the thread hole 13 until it cannot be screwed, and the sealing gasket 15 completes the sealing, and the water inlet 5 and the water outlet 6 are externally connected with the equipment circulating the cooling medium.
[0026] In the manufacturing of oxygen-free copper material, the copper liquid is injected into the copper material forming channel 4, the cooling medium enters into the cooling copper sleeve 2 through the water inlet 5, flows through the spiral water channel 10, and takes away the heat on the graphite shaping pipe 3, so as to realize the rapid cooling and shaping of the oxygen-free copper material.
[0027] When the cooling copper sleeve needs to be disassembled and replaced, the thread plugs at both ends of the crystallizer body are disassembled, then the water inlet and the water outlet are unscrewed from the cooling copper sleeve, and the cooling copper sleeve can be withdrawn from the crystallizer body.
[0028] The above describes the utility model and its implementation mode, which is not limited, and the drawings shown are only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. An upward continuous casting mold for producing oxygen-free copper material, characterized by: The crystallizer body (1) is internally provided with a cooling copper jacket (2), the inside of the cooling copper jacket (2) is provided with a graphite shaping pipe (3), the outer end face of the crystallizer body (1) is provided with a water inlet (5) and a water outlet (6) and respectively communicates with the cooling copper jacket (2), a copper material shaping channel (4) is arranged in the center of the graphite shaping pipe (3), and the two ends of the crystallizer body (1) are provided with a plugging assembly (7) to pluggingly fix the cooling copper jacket (2) and the graphite shaping pipe (3).
2. A top-pulling continuous casting mold for producing oxygen-free copper material according to claim 1, characterized in that: The plugging assembly (7) comprises a plug (8) which is threadedly connected with the inner wall of the crystallizer body (1), and a plug cap (9) is arranged on the plug (8) and is larger in diameter than the plug (8).
3. The upward continuous casting mold for producing oxygen-free copper material according to claim 1, characterized in that: The cooling copper jacket (2) is internally provided with a hollow cavity, and the inside of the cooling copper jacket (2) is provided with a spiral water channel (10), and the upper and lower outlets of the spiral water channel (10) respectively communicate with the water inlet (5) and the water outlet (6).
4. The upward continuous casting mold for producing oxygen-free copper material according to claim 1, characterized in that: The inner wall of the crystallizer body (1) is provided with a key groove (11), and the outer wall of the cooling copper jacket (2) is provided with a key strip (12) which can be inserted into the key groove (11).
5. The upward continuous casting mold for producing oxygen-free copper material according to claim 1, characterized in that: The inner wall of the cooling copper jacket (2) is provided with a thread hole (13), and the water inlet (5) and the water outlet (6) are both provided with a threaded cylinder (14) which is threadedly connected with the thread hole (13).
6. The upward continuous casting mold for producing oxygen-free copper material according to claim 5, characterized in that: The connection between the threaded cylinder (14) and the water inlet (5) or the water outlet (6) is provided with a sealing gasket (15).