Argon blowing upper nozzle with temperature measuring function
By introducing a temperature measurement system into the argon blowing inlet, the damage and safety issues caused by the untimely manual temperature judgment of traditional inlets have been solved. This has enabled real-time early warning and improved equipment stability, ensuring the quality of molten steel and production safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional argon blowing inlets require manual temperature checks during use, which can lead to damage and safety accidents if observation is not timely.
Design an argon blowing inlet with a temperature measurement system to monitor temperature changes in real time, provide early warning of potential cracking and steel seepage, and remind staff to take measures.
It enables real-time temperature monitoring of the inlet, preventing damage and accidents, improving safety and equipment stability, and ensuring the quality of molten steel and production continuity.
Smart Images
Figure CN224026492U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of continuous steel casting technology, and in particular to an argon blowing inlet with temperature measurement. Background Technology
[0002] In the traditional iron and steel metallurgical industry, the argon blowing nozzle is an important component in the continuous casting process. Its main function is to blow protective argon gas onto the surface of the molten steel flowing through the nozzle, so as to agitate the molten steel and prevent its oxidation.
[0003] Traditional water inlets require operators to assess the temperature during use. However, if operators fail to observe them promptly, the water inlets may become damaged, potentially leading to steel leakage and other safety accidents, which could injure workers.
[0004] In view of this, we have studied and improved the existing problems to provide an argon blowing inlet with temperature measurement. The structure is reasonably designed and highly stable. The aim of this technology is to solve the problems and improve its practical value. Utility Model Content
[0005] This invention provides an argon-blowing water inlet with temperature measurement system. When the temperature rises, it indicates that the water inlet may crack and leak steel, giving workers an early warning. At this time, the workers can quickly take corresponding measures to prevent further damage to the water inlet and avoid causing a bigger accident.
[0006] To achieve the above objectives, this utility model adopts the following technical solution: an argon blowing inlet with temperature measurement, comprising an inlet cylinder, a bowl-shaped opening at the upper end of the inlet cylinder, a base plate fixed to the lower end of the inlet cylinder and connected to a outlet, and an argon sealing ring argon blowing inlet on one side of the base plate.
[0007] The argon-sealed ring argon-blowing inlet is connected to the argon-sealed ring via a connecting channel. The diffused argon-blowing inlet is located inside the argon-sealed ring argon-blowing inlet on one side. The diffused argon-blowing inlet has a diffused argon-blowing gas chamber connected to its inner end. A temperature measuring probe hole for temperature measurement is provided on the side of the argon-sealed ring argon-blowing inlet away from the upper water inlet cylinder.
[0008] This utility model further defines the technical solution as follows:
[0009] Preferably, the upper water inlet cylinder has an internal cavity with an arc-shaped bowl at the top, and the upper water inlet cylinder is connected to the lower water inlet through a bottom plate.
[0010] Preferably, the argon sealing ring argon inlet is located on one side of the base plate and extends into the interior of the upper water inlet cylinder.
[0011] Preferably, the argon sealing ring argon inlet channel is turned 90° toward the sliding plate surface and connected to the internal channel of the argon sealing ring.
[0012] Preferably, the diffused argon inlet is located on one side of the argon inlet of the argon sealing ring, and its internal length is greater than the internal depth of the argon inlet of the argon sealing ring.
[0013] Preferably, the diffused argon gas chamber is located inside the upper water inlet cylinder, arranged in a 360° annular pattern, and is connected to the end of the diffused argon gas inlet.
[0014] Preferably, the temperature probe hole is located on the other side of the diffused argon inlet, and its inward extension depth does not exceed the position of the diffused argon gas chamber.
[0015] Preferably, the distance between the center of the upper outlet flow hole and the center of the sliding plate surface is 20-50mm. This allows for a longer stroke in the pushing direction and a shorter stroke in the retraction direction when changing the lower outlet. This effectively reduces scratches on the sliding plate surface during quick lower outlet changes, minimizes the possibility of oxygen absorption by the molten steel, and improves billet quality.
[0016] This invention has the following beneficial effects: the argon-sealed ring-blown argon inlet can leave argon gas in a ring around the molten steel at the interface between the upper and lower water inlets, forming an air curtain to protect the molten steel from oxidation. This allows the composition and temperature of the molten steel to be quickly homogenized, which is beneficial for precise control of the chemical composition and quality of the steel. At the same time, the buoyancy of the bubbles can also cause inclusions inside the molten steel to rise to the surface of the molten steel in the tundish, thereby effectively purifying the molten steel. Furthermore, when the temperature measuring system in the upper water inlet detects a temperature rise, it indicates a quality problem during the use of the upper water inlet, thus warning the operators before an accident occurs. At this time, the operators can quickly take corresponding measures to prevent further damage to the upper water inlet and avoid a larger accident. Attached Figure Description
[0017] Figure 1 This is a planar cross-sectional view of an argon blowing inlet with temperature measurement proposed in this utility model.
[0018] Figure 2 This is a cross-sectional view of an argon blowing inlet with temperature measurement proposed in this utility model.
[0019] Figure 3 This is a planar cross-sectional view of an argon blowing inlet with temperature measurement proposed in this utility model.
[0020] Legend:
[0021] 1. Inlet cylinder; 2. Bowl mouth; 3. Base plate; 4. Argon sealing ring argon inlet; 5. Argon sealing ring connecting channel; 6. Argon sealing ring; 7. Dispersed argon inlet; 8. Dispersed argon gas chamber; 9. Temperature probe hole. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0024] Reference Figure 1-3 An embodiment of this utility model provides: an argon blowing inlet with temperature measurement, including an inlet cylinder 1, a bowl 2 at the upper end of the inlet cylinder 1, a base plate 3 fixedly connected to the lower end of the inlet cylinder 1 for connection, an argon sealing ring argon blowing inlet 4 located at one edge of the base plate 3, an argon sealing ring connecting channel 5 located at the inner end of the argon sealing ring argon blowing inlet 4, an argon sealing ring 6 for improving sealing at the bottom of the base plate 3, a diffused argon blowing inlet 7 located on the side of the argon sealing ring argon blowing inlet 4 away from the outside, a diffused argon blowing gas chamber 8 connected to the inner end of the diffused argon blowing inlet 7, and a temperature measuring probe hole 9 for temperature measurement located on the side of the diffused argon blowing inlet 7 away from the inlet cylinder 1.
[0025] In an optional embodiment: the upper water inlet cylinder 1 has a cavity inside, and the upper end of the cavity is an arc-shaped bowl 2. The upper water inlet cylinder 1 is fixed by the base plate 3, thereby improving its stability during use and extending its service life. The eccentric design of the upper water inlet steel flow hole increases the service life of the argon blowing device by 50%. The quick-change process of the lower water inlet is smooth and there are no abnormalities such as air intake. The surface of the steel billet is qualified.
[0026] In an optional embodiment: the argon sealing ring argon inlet 4 is located on one side of the base plate 3 and extends into the interior of the upper water inlet cylinder 1. The argon sealing ring argon inlet 4 can blow argon gas into the molten steel in the form of a thin stream or small bubbles. These small bubbles will generate buoyancy during their ascent, causing the molten steel to form convection, thereby rapidly homogenizing the composition and temperature of the molten steel. This is beneficial for accurately controlling the chemical composition and quality of the steel. At the same time, the buoyancy of the bubbles can also cause inclusions inside the molten steel to rise to the surface of the molten steel along with the bubbles, thereby effectively purifying the molten steel.
[0027] In an optional embodiment: the end of the argon sealing ring inlet 4 is connected to the argon sealing ring connecting channel 5, which extends downward and passes through the lower end of the base plate 3. The argon sealing ring 6 is connected to the lower end of the base plate 3. The argon sealing ring connecting channel 5 will block external air, moisture and other impurities from entering the equipment, preventing the internal medium from reacting chemically with these impurities, thereby maintaining the purity and stability of the medium inside the equipment. At the same time, when the indoor pressure is too high, argon can flow appropriately in the channel to relieve the pressure. When the pressure is too low, argon can be replenished through the channel to maintain a stable pressure environment. In use, the argon sealing ring 6 effectively prevents the leakage of the internal medium. The eccentric setting of the steel flow hole at the top of the water outlet reduces the probability of molten steel absorbing air, improves the surface quality of the steel billet and reduces inclusions.
[0028] In an optional embodiment: the diffused argon inlet 7 is located on one side of the argon sealing ring argon inlet 4, and its internal length is greater than the internal depth of the argon sealing ring argon inlet 4. The diffused argon inlet 7 can blow argon gas into the molten steel in the form of a large number of tiny bubbles, thereby making the molten steel purer and producing better quality steel.
[0029] In an optional embodiment: the diffused argon gas chamber 8 is located inside the upper nozzle cylinder 1 and is connected to the end of the diffused argon gas inlet 7. The other end of the diffused argon gas chamber 8 extends to the upper end, penetrates the interior of the upper nozzle cylinder 1 and is connected to the cavity body. It is located at the bowl mouth 2. The diffused argon gas chamber 7 evenly distributes the argon gas from the diffused argon gas inlet 7 into the molten steel. When the lower nozzle is changed quickly, the sliding plate surface is intact and undamaged, the surface is free of oxidation, and the steel billet surface is free of inclusions, thereby further improving the quality of production.
[0030] In an optional embodiment: the temperature probe hole 9 is located on one side of the diffused argon inlet 7, and its inward extension depth is relatively short. When the temperature measurement system in the water inlet senses a temperature rise, it indicates that the water inlet may crack, thus warning the staff before cracking. At this time, the staff can quickly take corresponding measures to avoid further damage to the water inlet and cause a larger accident.
[0031] Working principle and process: During use, the operator can blow argon gas into the molten steel in the form of a thin stream or small bubbles through the argon sealing ring argon inlet 4, thereby accurately controlling the chemical composition and quality of the steel. At the same time, the argon sealing ring connecting channel 5 will block external air, moisture and other impurities from entering the equipment, thereby improving the stability of the medium inside the equipment. The diffused argon inlet 7 blows argon gas into the molten steel evenly in the form of a large number of tiny bubbles through the diffused argon gas chamber 8, thereby making it more uniform in the molten steel. During use, the operator can measure the temperature through the temperature probe hole 9, thereby making it easier to judge the temperature.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An argon blowing inlet with temperature measurement, comprising an inlet cylinder (1), characterized in that: The upper end of the upper water inlet cylinder (1) is provided with a bowl mouth (2), and the lower end of the upper water inlet cylinder (1) is fixed with a base plate (3) connected to the lower water inlet. An argon sealing ring argon blowing inlet (4) is provided on one side of the base plate, which extends into the interior of the upper water inlet cylinder (1). The argon sealing ring argon inlet (4) is connected to the argon sealing ring (6) through the connecting channel (5). The diffuse argon inlet (7) is located on the side of the argon sealing ring argon inlet (4) near the central axis of the upper water outlet cylinder (1). The diffuse argon inlet (7) is connected to a diffuse argon gas chamber (8) at its inner end. A temperature measuring probe hole (9) for temperature measurement is provided on the side of the diffuse argon inlet (7) away from the argon sealing ring argon inlet (4) and away from the central axis of the upper water outlet cylinder (1).
2. The argon blowing inlet with temperature measurement according to claim 1, characterized in that: The upper water inlet cylinder (1) has a cavity inside, and the upper end of the cavity is an arc-shaped bowl (2). The upper water inlet cylinder (1) is connected to the lower water outlet through the bottom plate (3).
3. The argon blowing inlet with temperature measurement according to claim 1, characterized in that: The argon inlet (4) of the argon sealing ring is turned 90° and connected to the internal channel of the argon sealing ring.
4. The argon blowing inlet with temperature measurement according to claim 1, characterized in that: The diffused argon inlet (7) is located on one side of the argon-sealed ring argon inlet (4), and its length extending into the interior is longer than the depth extending into the interior of the argon-sealed ring argon inlet (4).
5. The argon blowing inlet with temperature measurement according to claim 1, characterized in that: The diffused argon gas chamber (8) is located inside the upper water inlet cylinder (1) and is arranged in a 360° ring. It is connected to the end of the diffused argon gas inlet (7).
6. The argon blowing inlet with temperature measurement according to claim 1, characterized in that: The temperature probe hole (9) is located on the other side of the diffuse argon inlet (7) away from the argon sealing ring argon inlet (4), and its inward extension depth does not exceed the position of the diffuse argon gas chamber (8).