Water quenching solid solution treatment structure for stainless steel strip demagnetization

Abstract

The utility model discloses a water quenching solid solution treatment structure for stainless steel strip demagnetization, and relates to the technical field of water quenching solid solution treatment. The device comprises a water tank, a motor, an air pump, an air heater and an ejector rod, a stainless steel belt is conveyed between an upper carrier roller and a lower carrier roller, a mounting frame connected to the outer side of the stainless steel belt in a sleeving mode is arranged at the upper end of the water tank, a rubber scraper attached to the stainless steel belt is arranged at one end of the mounting frame, a supporting plate is fixedly arranged above the water tank, and the upper end of the supporting plate is provided with an air inlet. A sliding sleeve is embedded in the supporting plate, an ejector rod is slidably inserted into the sliding sleeve, an air pump is fixedly arranged in front of the water tank, an air pipe is arranged at the output end of the air pump, and a nozzle is arranged at the lower end of the air pipe. Through the arrangement of the rubber scraping plate, the vibration structure and the airflow injection structure, the problems that a large amount of liquid carried on the surface of a steel belt subjected to water quenching solid solution can leak to the outside and a conveying line, and the extra cleaning difficulty and the energy consumption during drying are increased are solved.

Description

Technical Field

[0001] This utility model relates to the field of water quenching and solution treatment technology, and in particular to a structure for demagnetizing stainless steel strip using water quenching and solution treatment. Background Technology

[0002] The magnetism of stainless steel mainly depends on its crystal structure. Austenitic stainless steel is usually non-magnetic, while ferritic and martensitic stainless steels are magnetic. The magnetism of stainless steel is related to its composition, especially the content of elements such as chromium, nickel, and manganese. Water quenching and solution treatment is a heat treatment process used for austenitic stainless steel. Its purpose is to dissolve carbides and alloying elements in austenite to form a uniform structure. Austenitic stainless steel itself is non-magnetic, but rolling, cutting, and cold working can cause deformation-induced martensite (α' phase), resulting in weak magnetism. Water quenching and solution treatment aims to restore the austenitic structure and reduce martensite.

[0003] By reheating to a solution temperature of 1050–1150°C, the deformed martensite (α' phase) generated during cold working is transformed into austenite (γ phase), eliminating the source of magnetism. The steel strip is then passed through a continuous heating furnace, with the temperature precisely controlled at 1100°C ± 10°C and held for 1–3 minutes, followed by rapid cooling (water quenching) to retain the single-phase austenite structure. However, the surface of the steel strip after water quenching and solution treatment carries a large amount of liquid. During the conveying of the stainless steel strip, this liquid spills onto the outside and the conveyor line, increasing the difficulty of cleaning and leading to increased energy consumption during drying. Therefore, those skilled in the art have provided an oyster peptide processing and separation device to solve the problems mentioned in the background art. Utility Model Content

[0004] 1. Technical Solution

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a water quenching and solution treatment structure for demagnetizing stainless steel strip, comprising a water tank, a motor, an air pump, a hot air blower, and a top rod. An upper support roller is rotatably mounted inside the upper end of the water tank, and a lower support roller is rotatably mounted inside the lower end of the water tank. A stainless steel strip is conveyed between the upper and lower support rollers. An installation frame is provided at the upper end of the water tank, sleeved around the outside of the stainless steel strip. A rubber scraper that fits against the stainless steel strip is provided at one end of the installation frame. A support plate is fixed above the water tank, and a sliding sleeve is embedded inside the support plate. A top rod is slidably inserted into the sliding sleeve. An air pump is fixed in front of the water tank, and an air pipe is provided at the output end of the air pump. The lower end of the air pipe has nozzles evenly distributed and with inclined openings.

[0007] Furthermore, a rectangular return channel is provided on the upper side of the water tank, and overflow channels penetrating the return channel are provided on the outer walls of both ends of the water tank;

[0008] Specifically, liquid falling from the stainless steel strip is collected in a return channel and then returned to the water tank via an overflow channel.

[0009] Furthermore, a baffle located at the nozzle is provided on the rear side of the upper end of the return channel;

[0010] Specifically, the liquid sprayed by the nozzle onto the outer wall of the stainless steel strip is intercepted by a baffle to prevent the liquid from entering the outside.

[0011] Furthermore, a motor is fixedly mounted on the front side above the water tank, a rotating shaft is provided at the output end, a protrusion is provided on the outer wall of the rotating shaft, a bearing bracket is fixedly mounted on the rear side above the water tank, and one end of the rotating shaft is rotatably installed inside the bearing bracket.

[0012] Specifically, when the motor drives the shaft to rotate, it receives rotational support through the bearing bracket, which improves the rotational stability of the shaft. The motor drives the shaft to rotate, causing the protrusion to rotate. When the protrusion passes the push rod, it squeezes the push rod.

[0013] Furthermore, a limiting ring is sleeved on the outer wall of the push rod, and a spring sleeved on the outside of the push rod is provided between the limiting ring and the support plate;

[0014] Specifically, the elastic force of the spring acts on the push rod through the limiting ring. After the push rod is subjected to force, it is reset by the spring and causes the push rod to vibrate.

[0015] Furthermore, a force-bearing bead is rotatably installed inside the upper end of the push rod, and a pressure bead is provided at the lower end of the push rod;

[0016] Specifically, when the protrusion presses against the upper end of the push rod, the force-bearing ball rolls and adheres to the protrusion, reducing the resistance when the protrusion passes through. When the lower end of the push rod impacts the stainless steel strip, the pressure ball rolls and adheres to the stainless steel strip, reducing friction and resistance.

[0017] Furthermore, a column is provided on one side of the upper end of the water tank, and a top bead that fits against the lower surface of the stainless steel strip is rotatably installed inside the upper end of the column.

[0018] Specifically, the column and the top bead support the center of the lower end of the stainless steel strip, causing the center of the stainless steel strip to be slightly raised, which helps the liquid flow to the lower position.

[0019] Furthermore, a hot air blower is fixed to the front side of the water tank, and a conveying pipe is provided at the output end of the hot air blower. A conveying cover is provided at one end of the conveying pipe and sleeved on the outside of the stainless steel strip. Hot air vents are opened on the inner walls of both the upper and lower ends of the conveying cover.

[0020] Specifically, the stainless steel strip used to clean the liquid on the outer wall is dried by a hot air stream delivered by a hot air blower.

[0021] Furthermore, an inlet pipe is provided inside the lower end of the water tank, and an outlet pipe is provided inside the upper end of the inlet pipe in an evenly distributed manner. An outlet pipe is provided on the rear side of the upper end of the water tank, and multiple branch pipes penetrating the interior of the upper end of the water tank are provided on the outer wall of the outlet pipe.

[0022] Specifically, the inlet pipe delivers cooling water to multiple points inside the lower end of the water tank, ensuring uniform cooling water distribution. The heated water rises and is drawn in through multiple branch pipes, then delivered to the outside through the outlet.

[0023] 2. Beneficial effects

[0024] Compared with existing technologies, the advantages of this utility model are:

[0025] In this invention, stainless steel strip is conveyed in a serpentine pattern inside a water tank via upper and lower rollers. The stainless steel strip, heated to its solution temperature, is cooled by immersion. The serpentine distribution of the material increases the contact time and area with the cooling water, thereby improving the efficiency of water quenching and solution treatment of the stainless steel strip.

[0026] When the stainless steel strip after water quenching and solution treatment is removed from the water tank, most of the liquid it carries is scraped off by a rubber scraper. Then, the residual liquid is further cleaned by vibrating the stainless steel strip and using multi-segment spraying with inclined cutting to prevent the liquid from entering the conveyor line and the outside environment. Because of the reduction of water stains, the energy consumption of subsequent drying is reduced.

[0027] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a front-view three-dimensional structural diagram of the present invention;

[0030] Figure 2 This is a schematic diagram of the main sectional three-dimensional structure of this utility model;

[0031] Figure 3 This is a top-view three-dimensional structural diagram of the present invention;

[0032] Figure 4This is a side view of the three-dimensional structure of the conveyor cover of this utility model;

[0033] Figure 5 This is a front-view three-dimensional structural diagram of the top rod of this utility model;

[0034] Figure 6 This is a side view of the three-dimensional structure of the mounting frame of this utility model.

[0035] The attached diagram lists the components represented by each number as follows:

[0036] 1. Water tank; 2. Return trough; 3. Upper idler roller; 4. Stainless steel strip; 5. Motor; 6. Air pump; 7. Hot air blower; 8. Rotating shaft; 9. Baffle; 10. Inlet pipe; 11. Outlet; 12. Lower idler roller; 13. Overflow trough; 14. Outlet pipe; 15. Diverter pipe; 16. Protrusion; 17. Support plate; 18. Top rod; 19. Bearing bracket; 20. Air pipe; 21. Nozzle; 22. Conveying cover; 23. Hot air outlet; 24. Conveying pipe; 25. Mounting frame; 26. Rubber scraper; 27. Column; 28. Top ball; 29. ​​Force ball; 30. Sliding sleeve; 31. Spring; 32. Limiting ring; 33. Pressure ball. Detailed Implementation

[0037] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0038] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0039] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0041] Example 1

[0042] Please see Figure 1-6As shown, this embodiment is a structure for demagnetizing stainless steel strip by water quenching and solution treatment, including a water tank 1, a motor 5, an air pump 6, a hot air blower 7, and a top rod 18. An upper roller 3 is rotatably installed inside the upper end of the water tank 1, and a lower roller 12 is rotatably installed inside the lower end of the water tank 1. A stainless steel strip 4 is conveyed between the upper roller 3 and the lower roller 12. An installation frame 25 is provided at the upper end of the water tank 1 and sleeved on the outside of the stainless steel strip 4. A rubber scraper 26 that fits against the stainless steel strip 4 is provided at one end of the installation frame 25. A support plate 17 is fixed above the water tank 1. A sliding sleeve 30 is embedded inside the support plate 17. A top rod 18 is slidably inserted inside the sliding sleeve 30. An air pump 6 is fixed in front of the water tank 1. An air pipe 20 is provided at the output end of the air pump 6. A nozzle 21 with an inclined opening is provided at the lower end of the air pipe 20.

[0043] A rectangular return channel 2 is provided on the upper side of the water tank 1, and overflow channels 13 that penetrate the return channel 2 are provided on the outer walls of both ends of the water tank 1.

[0044] A baffle 9 located at the nozzle 21 is provided on the rear side of the upper end of the return channel 2;

[0045] A motor 5 is fixed on the front side above the water tank 1, and a rotating shaft 8 is provided at the output end. A protrusion 16 is provided on the outer wall of the rotating shaft 8. A bearing bracket 19 is fixed on the rear side above the water tank 1, and one end of the rotating shaft 8 is rotatably installed inside the bearing bracket 19.

[0046] A limiting ring 32 is sleeved on the outer wall of the push rod 18, and a spring 31 sleeved on the outside of the push rod 18 is provided between the limiting ring 32 and the support plate 17.

[0047] A force-bearing ball 29 is rotatably installed inside the upper end of the push rod 18, and a pressure ball 33 is provided at the lower end of the push rod 18;

[0048] A column 27 is provided on one side of the upper end of the water tank 1. A top bead 28 that fits against the lower surface of the stainless steel strip 4 is rotatably installed inside the upper end of the column 27.

[0049] A hot air blower 7 is fixed on the front side of the water tank 1. A conveying pipe 24 is provided at the output end of the hot air blower 7. A conveying cover 22 is provided at one end of the conveying pipe 24 and is sleeved on the outside of the stainless steel strip 4. Hot air vents 23 are opened on the inner walls of both the upper and lower ends of the conveying cover 22.

[0050] The lower end of the water tank 1 is provided with an inlet pipe 10, and the upper end of the inlet pipe 10 is provided with outlets 11 that are evenly distributed. The upper rear side of the water tank 1 is provided with an outlet pipe 14, and the outer wall of the outlet pipe 14 is provided with multiple branch pipes 15 that penetrate the upper end of the water tank 1.

[0051] In this embodiment, the device achieves efficient water quenching and cleaning and drying of stainless steel strip 4 through multi-stage collaborative processing. First, the austenitic stainless steel strip 4, which is continuously heated to 1050-1150℃, is introduced into the water tank 1. The steel strip runs in a serpentine conveying path between the upper roller 3 and the lower roller 12. This meandering path design prolongs the contact time between the steel strip and the cooling water and increases the contact area. The heat exchange principle is used to accelerate the austenitic phase transformation process. When the steel strip is removed from the water tank 1, the rubber scraper 26 on the mounting frame 25 uses contact pressure to scrape off most of the residual liquid on the surface of the stainless steel strip 4. At this point, the problem of liquid leakage after traditional water quenching is initially solved.

[0052] Then, the vibration cleaning stage begins. The motor 5 drives the rotating shaft 8 to cause the protrusion 16 to intermittently impact the top rod 18. The spring 31 and the limiting ring 32 system generate high-frequency vibration, forming a vibration cleaning mechanism. Utilizing the principle of fluid dynamics, the residual liquid film flows to both sides under the dual action of vibration shear force and gravity. Combined with the compressed air provided by the air pump 6, a sloping tangential airflow is formed through the inclined nozzle 21, which decomposes the remaining liquid into droplets. After being intercepted by the baffle 9, the droplets are collected through the return channel 2. The top bead 28 on the column 27 applies a supporting force to the center of the steel strip, forming an arch bridge effect to promote the liquid to flow to both sides.

[0053] During the drying stage, a hot air blower 7 delivers hot airflow, which forms a laminar flow coverage through the upper and lower hot air inlets 23 of the conveyor hood 22. Combined with the liquid film thinning effect generated by the vibration of the steel belt, the drying time is shortened. In addition, the design of more than 10 water outlets at the bottom of the water tank 1 ensures uniform distribution of cooling water and ensures stable solid solution treatment quality. The serpentine path improves heat exchange efficiency, and the combined cleaning of vibration and airflow reduces liquid residue. The optimized hot air flow field reduces drying energy consumption, and the structural flow guide design prevents liquid overflow. Compared with traditional processes, this method achieves full closed-loop control of the process while maintaining the austenitic phase transformation effect, reducing cleaning time and providing an efficient and clean solution for the control of the magnetic properties of stainless steel.

[0054] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0055] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A water quenching solid solution treatment structure for degaussing a stainless steel strip, characterized by: Including water tank (1), motor (5), air pump (6), hot air machine (7) and top rod (18), the upper end of the water tank (1) is internally rotatably installed with an upper supporting roller (3), the lower end of the water tank (1) is internally rotatably installed with a lower supporting roller (12), the upper supporting roller (3) and the lower supporting roller (12) are transported with a stainless steel belt (4), the upper end of the water tank (1) is provided with a mounting frame (25) sleeved on the outer side of the stainless steel belt (4), one end of the mounting frame (25) is provided with a rubber blade (26) abutting the stainless steel belt (4), the upper side of the water tank (1) is fixedly provided with a supporting plate (17), the supporting plate (17) is internally embedded with a sliding sleeve (30), the sliding sleeve (30) is internally slidably inserted with a top rod (18), the front side of the water tank (1) is fixedly provided with an air pump (6), the output end of the air pump (6) is provided with an air pipe (20), the lower end of the air pipe (20) is provided with a plurality of nozzles (21) distributed at equal intervals and having inclined openings.

2. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The upper end of the water tank (1) is provided with a rectangular backflow groove (2), and overflow grooves (13) penetrating through the backflow groove (2) are formed in the outer walls of both ends of the water tank (1).

3. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 2, characterized in that: The upper end of the backflow groove (2) is provided with a baffle (9) located at the nozzle (21).

4. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The upper front side of the water tank (1) is fixedly provided with a motor (5), the output end is provided with a rotating shaft (8), the outer wall of the rotating shaft (8) is provided with a protruding block (16), the upper rear side of the water tank (1) is fixedly provided with a bearing support (19), and one end of the rotating shaft (8) is rotatably installed in the bearing support (19).

5. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The outer wall of the top rod (18) is sleeved with a limiting ring (32), and the limiting ring (32) and the supporting plate (17) are provided with a spring (31) sleeved on the outer side of the top rod (18).

6. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The upper end of the top rod (18) is internally rotatably installed with a force bead (29), and the lower end of the top rod (18) is provided with a pressing bead (33).

7. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The upper end of the water tank (1) is provided with a stand (27), the upper end of the stand (27) is internally rotatably installed with a top bead (28) abutting the lower surface of the stainless steel belt (4).

8. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The front side of the water tank (1) is fixedly provided with a hot air machine (7), the output end of the hot air machine (7) is provided with a delivery pipe (24), one end of the delivery pipe (24) is provided with a delivery cover (22) sleeved on the outer side of the stainless steel belt (4), and the inner walls of the upper and lower ends of the delivery cover (22) are both provided with hot air outlets (23).

9. The solid solution treatment structure for water quenching of degaussing of stainless steel strip according to claim 1, characterized in that: The lower end of the water tank (1) is internally provided with a water inlet pipe (10), the upper end of the water inlet pipe (10) is internally provided with a plurality of water outlets (11) distributed at equal intervals, the rear side of the upper end of the water tank (1) is provided with a water outlet pipe (14), and the outer wall of the water outlet pipe (14) is provided with a plurality of shunt pipes (15) penetrating through the upper end of the water tank (1).

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