Ultrasonic immersion cleaning device

Abstract

The utility model belongs to the technical field of strip steel cleaning, and particularly provides an ultrasonic immersion cleaning device which comprises an immersion cleaning tank and an ultrasonic unit. The ultrasonic unit comprises a vibration plate group; the vibration plate group comprises two ultrasonic vibration plates of which the ultrasonic transmitting surfaces are oppositely arranged; a to-be-cleaned material channel is formed between the ultrasonic emitting surfaces of the two ultrasonic vibration plates; and the ultrasonic vibration plate is fixed on the inner wall of the immersion cleaning tank through a fixing piece. According to the ultrasonic immersion cleaning device, the ultrasonic cleaning unit is applied to the immersion cleaning tank, the space of the immersion cleaning tank is fully and effectively utilized, the contact time of strip steel and alkali liquor is prolonged through immersion, the strip steel is cleaned through ultrasonic waves during immersion, and pollutants on the surface of the strip steel can be better stripped.

Description

Technical Field

[0001] The utility model belongs to the technical field of strip steel cleaning, and particularly relates to an ultrasonic immersion cleaning device. Background Art

[0002] After cold rolling, pollutants such as rolling oil, dust, and iron powder adhere to the surface of the strip steel. The existence of these residues pollutes the surface of the strip steel and seriously affects the subsequent processing of the strip steel. In production, the surface quality is often improved through a degreasing process. The cold rolling degreasing process usually consists of a series of cleaning methods combined, such as an alkali spray washing tank + a brushing tank + electrolytic cleaning + hot water rinsing. In this combination, the alkali spray washing tank continuously sprays and washes the surface of the strip steel by arranging spray pipes at intervals, resulting in problems such as insufficient contact between the strip steel and the alkali solution, high energy consumption, and insignificant pre-cleaning effect. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the problems of high energy consumption and insignificant pre-cleaning effect in the existing alkali spray cleaning tank.

[0004] To this end, the utility model provides an ultrasonic immersion cleaning device, which includes an immersion cleaning tank and an ultrasonic unit; the ultrasonic unit includes a vibration plate group; the vibration plate group includes two ultrasonic vibration plates with opposite ultrasonic emission surfaces; a material channel to be cleaned is formed between the ultrasonic emission surfaces of the two ultrasonic vibration plates; the ultrasonic vibration plates are fixed on the inner wall of the immersion cleaning tank through fixing parts.

[0005] Specifically, the above fixing parts include U-shaped clamping grooves; a plurality of the U-shaped clamping grooves are respectively fixed on the inner wall of the immersion cleaning tank; both sides of the ultrasonic vibration plate are respectively clamped in the corresponding U-shaped clamping grooves.

[0006] Specifically, the above U-shaped clamping groove includes a first fixing plate, a second fixing plate, and a movable plate; one side edge of the first fixing plate and one side edge of the second fixing plate are respectively fixed on the side wall of the immersion cleaning tank, and the first fixing plate and the second fixing plate are arranged oppositely; the movable plate is arranged between the first fixing plate and the second fixing plate, and both side edges are respectively slidably connected to the first fixing plate and the second fixing plate; the ultrasonic vibration plate is inserted between the first fixing plate and the second fixing plate, and the movable plate is located between the side wall of the immersion cleaning tank and the ultrasonic vibration plate.

[0007] Specifically, the above ultrasonic unit includes multiple groups of vibration plate groups distributed in sequence along the length direction of the immersion cleaning tank; an H-shaped support seat is arranged between adjacent ultrasonic vibration plates in the length direction; the openings at both ends of the H-shaped support seat are respectively clamped with the side edges of the corresponding side ultrasonic vibration plates.

[0008] Specifically, the above ultrasonic unit further includes an ultrasonic generator; the ultrasonic generator is connected to the ultrasonic vibration plate through an ultrasonic cable.

[0009] Specifically, an outlet is provided on the above-mentioned dipping tank; a sealing plug is provided at the outlet; one end of the ultrasonic cable is connected to the ultrasonic vibrating plate, and the other end passes through the outlet and the sealing plug and is then connected to the ultrasonic generator.

[0010] Specifically, the above-mentioned ultrasonic dipping device further includes a liquid level gauge; the liquid level gauge is connected to the ultrasonic generator.

[0011] Specifically, turning rollers are provided at both the inlet and the outlet of the above-mentioned dipping tank; sunken rollers are further provided in the dipping tank; the vibrating plate group is arranged between the turning rollers and the sunken rollers.

[0012] Specifically, both ends of the above-mentioned turning roller pass through the tank wall of the dipping tank and are connected to the bearing seats; a water retaining ring and a sealing cover are provided at the connection between the turning roller and the tank wall of the dipping tank.

[0013] Specifically, both ends of the above-mentioned sunken roller pass through the tank wall of the dipping tank and are connected to the bearing seats; a sealing flange cover is provided at the connection between the sunken roller and the tank wall of the dipping tank.

[0014] Compared with the prior art, the present utility model has the following advantages and beneficial effects:

[0015] The ultrasonic dipping device provided by the present utility model applies the ultrasonic cleaning unit to the dipping tank, makes full and effective use of the space of the dipping tank, prolongs the contact time between the strip steel and the lye by soaking, and uses ultrasonic waves to clean the strip steel while soaking, which can better peel off the contaminants on the surface of the strip steel.

[0016] The following will further describe the present utility model in detail with reference to the accompanying drawings. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the ultrasonic dipping device provided by the present utility model.

[0018] Figure 2 It is a schematic structural diagram of a U-shaped card slot in the ultrasonic dipping device provided by the present utility model.

[0019] Figure 3 It is another schematic structural diagram of a U-shaped card slot in the ultrasonic dipping device provided by the present utility model.

[0020] Figure 4 It is a schematic connection structure diagram of the ultrasonic generator and the dipping tank in the ultrasonic dipping device provided by the present utility model.

[0021] Figure 5 It is a schematic connection structure diagram of the turning roller and the dipping tank in the ultrasonic dipping device provided by the present utility model.

[0022] Figure 6It is a schematic diagram of the connection structure between the sink roll and the immersion tank in the ultrasonic immersion cleaning device provided by the present utility model.

[0023] Description of the reference numerals: 1. Immersion tank; 101. Outlet; 102. Overflow port; 103. Liquid level gauge port; 104. Liquid inlet; 105. Return liquid port; 2. Ultrasonic vibration plate; 3. First fixing plate; 4. Second fixing plate; 5. Movable plate; 6. H-shaped support seat; 7. Ultrasonic generator; 8. Ultrasonic cable; 9. Sealing plug; 10. Steering roll; 11. Water retaining ring; 12. Sealing cover; 13. Sink roll; 14. Sealing flange cover; 15. Strip steel. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0026] The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features; in the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0027] Refer to Figure 1, the present utility model provides an ultrasonic immersion cleaning device, which includes an immersion tank 1 and an ultrasonic unit; the ultrasonic unit includes a vibration plate group; the vibration plate group includes two ultrasonic vibration plates 2 with opposite ultrasonic emission surfaces, and a plurality of ultrasonic vibrators are evenly distributed in the ultrasonic vibration plates 2; a material channel to be cleaned is formed between the ultrasonic emission surfaces of the two ultrasonic vibration plates 2; the ultrasonic vibration plates 2 are fixed on the inner wall of the immersion tank 1 through fixing members. Before use, inject alkaline solution into the immersion tank 1 to submerge the vibration plate group. During use, pass the strip steel 15 through the material channel to be cleaned formed between the vibration plate groups, and the two side surfaces of the strip steel 15 are parallel to the ultrasonic emission surfaces of the ultrasonic vibration plates 2 to ensure the cleaning effect on both sides of the strip steel 15. Start the ultrasonic unit, and utilize the cavitation effect of ultrasonic waves to strip and emulsify the oil stains and dirt on the surface of the strip steel 15, so as to achieve the purpose of cleaning and purification. In addition, under the action of ultrasonic waves, the strip material is rapidly heated, so that the viscosity and adhesion of the grease on the surface of the strip material are greatly reduced, which is convenient for the removal of grease and creates better conditions for subsequent degreasing. The number of vibration plate groups can be arranged according to the actual situation of the strip steel 15 in the immersion tank 1.

[0028] Further, as Figure 2 shown, the fixing member includes a U-shaped card slot; a plurality of the U-shaped card slots are respectively fixed on the inner wall of the immersion tank 1; both sides of the ultrasonic vibration plate 2 are respectively clamped in the corresponding U-shaped card slots. The arrangement position of the U-shaped card slots is designed according to the arrangement of the ultrasonic vibration plates 2, and the slot openings face the inside of the immersion tank 1 to ensure that the ultrasonic vibration plates 2 can be clamped and fixed in the immersion tank 1.

[0029] Specifically, referring to Figure 3 , the U-shaped card slot includes a first fixing plate 3, a second fixing plate 4 and a movable plate 5; one side edge of the first fixing plate 3 and one side edge of the second fixing plate 4 are respectively fixed on the side wall of the immersion tank 1, and the first fixing plate 3 and the second fixing plate 4 are arranged oppositely; the movable plate 5 is arranged between the first fixing plate 3 and the second fixing plate 4, and both side edges are respectively slidably connected with the first fixing plate 3 and the second fixing plate 4; the ultrasonic vibration plate 2 is inserted between the first fixing plate 3 and the second fixing plate 4, and the movable plate 5 is located between the side wall of the immersion tank 1 and the ultrasonic vibration plate 2. After the side edge of the ultrasonic vibration plate 2 is inserted between the corresponding first fixing plate 3 and second fixing plate 4, move the movable plates 5 on both sides to clamp the ultrasonic vibration plate 2. The movable plate 5 facilitates the installation, disassembly and positioning of the ultrasonic vibration plate 2.

[0030] Preferably, the immersion tank 1 is a vertical immersion tank 1, and the ultrasonic unit includes multiple sets of vibrating plate groups arranged in sequence along the length direction of the immersion tank 1, that is, the depth direction of the vertical immersion tank 1. An H-shaped support base 6 is provided between the ultrasonic vibrating plates 2 of adjacent vibrating plate groups; the upper side of the lower ultrasonic vibrating plate 2 is inserted into the lower opening of the H-shaped support base 6, and the lower side of the upper ultrasonic vibrating plate 2 is inserted into the upper opening of the H-shaped support base 6. The lower ultrasonic vibrating plate 2 provides support for the upper ultrasonic vibrating plate 2 through the H-shaped support base 6. The H-shaped support base 6 is preferably made of PPH material.

[0031] In a refined embodiment, the vertical immersion tank 1 adopts an upper and lower two-stage structure, and the upper and lower tank bodies are connected by a flange surface. The vibrating plate group is arranged in the lower tank body. The bottom of the lower tank body is provided with a liquid inlet 104 and a liquid return port 105, and the liquid return port 105 is lower than the liquid inlet 104. An overflow port 102 is provided at one end of the lower tank body close to the upper tank body. The overflow port 102 is higher than the vibrating plate group to ensure that the ultrasonic vibrating plate 2 is completely immersed in the liquid. The connecting flange surface of the upper and lower tank bodies is higher than the overflow port 102 to ensure better sealing performance. A relatively large manhole door is provided on one side of the lower tank body for easy manual access for maintenance. The upper tank body is provided with a wire outlet 101 for facilitating wiring inside the immersion tank 1.

[0032] Furthermore, the ultrasonic unit further includes an ultrasonic generator 7; the ultrasonic generator 7 is connected to the ultrasonic vibrating plate 2 through an ultrasonic cable 8.

[0033] Specifically, as Figure 4 shown, a wire outlet 101 is provided on the immersion tank 1; a sealing plug 9 is provided at the wire outlet 101, preferably a rubber sealing plug 9; one end of the ultrasonic cable 8 is connected to the ultrasonic vibrating plate 2, and the other end passes through the wire outlet 101 and the sealing plug 9 and is connected to the ultrasonic generator 7 arranged outside the immersion tank 1. The ultrasonic cable 8 is preferably a flexible sleeve, arranged on one side of the ultrasonic vibrating plate 2. The ultrasonic cables 8 corresponding to each ultrasonic vibrating plate 2 are concentrated and led out from the wire outlet 101 of the immersion tank 1, pass through the sealing plug 9 and are led outside the immersion tank 1, and are connected to the ultrasonic generator 7.

[0034] Optionally, the sealing plug 9 is fixed on the side flange of the immersion tank 1 through a pressing plate, and a cable clamping plate is provided on the side of the inner wall of the tank for facilitating cable management.

[0035] Preferably, the ultrasonic immersion device further includes a liquid level gauge. A liquid level gauge port 103 is provided on the immersion tank 1 for facilitating liquid level detection; the liquid level gauge is connected to the ultrasonic generator 7 to realize low liquid level interlock protection to prevent the ultrasonic generator 7 from being burned out.

[0036] In an optimized implementation, the immersion tank 1 is a vertical immersion tank 1, with an inlet and an outlet for the strip 15 provided at the upper part; turning rollers 10 are respectively arranged at the strip 15 inlet and the strip 15 outlet; a sink roll 13 is arranged at the bottom of the immersion tank 1; the vibration plate group is arranged between the turning roller 10 and the sink roll 13. The turning roller 10 and the sink roll 13 pass through the tank body of the immersion tank 1 through the flange window on the operating side of the immersion tank 1, and bearing seats are arranged on both sides outside the immersion tank 1 for supporting the turning roller 10 and the sink roll 13. After passing through the turning roller 10 at the strip 15 inlet, the strip 15 is arranged perpendicular to the horizontal plane, enters the liquid surface for a certain distance from top to bottom, wraps around the sink roll 13 by 180°, runs from bottom to top to leave the liquid surface, and enters the subsequent cleaning process horizontally after passing through the turning roller 10 at the strip 15 outlet. Optionally, spiral grooves are engraved on the roll body of the sink roll 13 to increase the friction between the strip 15 and the roll and prevent slipping; the sink roll 13 has a crown to prevent the strip 15 from running off track in the tank.

[0037] Specifically, as Figure 5 shown, both ends of the turning roller 10 respectively pass through the tank wall of the immersion tank 1 and are connected to the bearing seat; a water retaining ring 11 and a sealing cover 12 are arranged at the connection between the turning roller 10 and the tank wall of the immersion tank 1 to prevent the liquid splashed out by the passing strip 15 from splashing outside the tank.

[0038] As Figure 6 shown, both ends of the sink roll 13 respectively pass through the tank wall of the immersion tank 1 and are connected to the bearing seat; a sealing flange cover 14 is arranged at the connection between the sink roll 13 and the tank wall of the immersion tank 1, and a mechanical sealing structure is also provided to prevent the leakage of the lye in the tank.

[0039] Example 1:

[0040] This embodiment provides an ultrasonic immersion cleaning device, including an immersion tank 1, a liquid level gauge and an ultrasonic unit.

[0041] The immersion tank 1 is a vertical immersion tank 1, adopting an upper and lower two-stage structure, and the upper and lower tank bodies are connected through a flange surface; an overflow port 102 is provided at one end of the lower tank body close to the upper tank body, a liquid inlet 104 and a liquid return port 105 are provided at the bottom, and the liquid return port 105 is lower than the liquid inlet 104; an outlet 101 is provided on the upper tank body, and the sealing plug 9 is fixed at the outlet 101 through a pressing plate. An inlet and an outlet for the strip 15 are provided at the top of the upper tank body; turning rollers 10 are respectively arranged at the strip 15 inlet and the strip 15 outlet; a crowned sink roll 13 is arranged at the bottom of the lower tank body, and spiral grooves are engraved on the roll body of the sink roll 13; the turning roller 10 and the sink roll 13 pass through the tank body of the immersion tank 1 through the flange window on the operating side of the immersion tank 1 and are connected to the bearing seats arranged on both sides outside the immersion tank 1; a water retaining ring 11 and a sealing cover 12 are arranged at the connection between the turning roller 10 and the tank wall of the immersion tank 1; a sealing flange cover 14 and a mechanical sealing structure are arranged at the connection between the sink roll 13 and the tank wall of the immersion tank 1.

[0042] The ultrasonic unit includes an ultrasonic generator 7, an ultrasonic cable 8, and four sets of vibrating plate groups arranged in sequence along the depth direction of the immersion tank 1. The vibrating plate groups are arranged in the lower tank body, between the turning roller 10 and the immersion roller 13, and below the overflow port 102; as Figure 1 shown, two of the vibrating plate groups are arranged at the corresponding positions of the strip steel 15 before entering the immersion roller 13, and the other two are arranged at the corresponding positions of the strip steel 15 after passing through the immersion roller 13.

[0043] Each vibrating plate group includes two ultrasonic vibrating plates 2 with opposite ultrasonic emission surfaces. A number of ultrasonic vibrators are evenly distributed in the ultrasonic vibrating plates 2; a strip steel 15 channel is formed between the two opposite ultrasonic vibrating plates 2.

[0044] An H-shaped support seat 6 is provided between the ultrasonic vibrating plates 2 of adjacent vibrating plate groups; the upper side of the lower ultrasonic vibrating plate 2 is inserted into the lower opening of the H-shaped support seat 6, and the lower side of the upper ultrasonic vibrating plate 2 is inserted into the upper opening of the H-shaped support seat 6. U-shaped card slots are provided on the inner wall of the immersion tank 1, and the left and right sides of the ultrasonic vibrating plates 2 are clamped with the inner wall of the immersion tank 1 through the U-shaped card slots.

[0045] The ultrasonic vibrating plates 2 are connected to the inner wall of the immersion tank 1 through U-shaped card slots; the U-shaped card slots include a first fixing plate 3, a second fixing plate 4, and a movable plate 5; one side edge of the first fixing plate 3 and one side edge of the second fixing plate 4 are respectively fixed on the side wall of the immersion tank 1, and the first fixing plate 3 and the second fixing plate 4 are arranged oppositely; the movable plate 5 is arranged between the first fixing plate 3 and the second fixing plate 4, and both side edges are slidably connected to the first fixing plate 3 and the second fixing plate 4 respectively; the ultrasonic vibrating plates 2 are inserted between the first fixing plate 3 and the second fixing plate 4, and the movable plate 5 is located between the side wall of the immersion tank 1 and the ultrasonic vibrating plates 2. After the side edges of the ultrasonic vibrating plates 2 are inserted between the corresponding first fixing plate 3 and second fixing plate 4, the two movable plates 5 are moved to clamp the ultrasonic vibrating plates 2.

[0046] One end of the ultrasonic cable 8 is connected to the ultrasonic vibrating plate 2, and the other end passes through the wire outlet 101 and the sealing plug 9 and is connected to the ultrasonic generator 7 arranged outside the immersion tank 1; the liquid level gauge is connected to the ultrasonic generator 7.

[0047] During use, lye is injected into the immersion tank 1 from the liquid inlet 104 to submerge the ultrasonic vibrating plate 2, and the ultrasonic unit is started. After the strip 15 passes through the turning roller 10 at the strip 15 inlet, it is arranged perpendicular to the horizontal plane and passes through the strip 15 channels formed in the two sets of vibrating plate groups from top to bottom. Then it wraps around the sink roll 13 by 180°, passes through the strip 15 channels formed in the other two sets of vibrating plate groups from bottom to top, runs out of the liquid surface, and enters the subsequent cleaning process horizontally after passing through the turning roller 10 at the strip 15 outlet. By using the cavitation effect of ultrasonic waves, the oil stains and dirt on the surface of the strip 15 are stripped and emulsified, so as to achieve the purpose of cleaning. In addition, under the action of ultrasonic waves, the strip is rapidly heated, so that the viscosity and adhesion of the grease on the strip surface are greatly reduced, which is convenient for the removal of grease and creates better conditions for subsequent degreasing.

[0048] The above examples are only illustrative of the present invention and do not constitute a limitation on the protection scope of the present invention. Any design identical or similar to the present invention falls within the protection scope of the present invention.

Claims

1. An ultrasonic cleaning device, characterized in that: It comprises a cleaning tank (1) and an ultrasonic unit; the ultrasonic unit comprises a vibration plate group; the vibration plate group comprises two ultrasonic vibration plates (2) whose ultrasonic emission surfaces are arranged opposite to each other; a channel for materials to be cleaned is formed between the ultrasonic emission surfaces of the two ultrasonic vibration plates (2); the ultrasonic vibration plates (2) are fixed to the inner wall of the cleaning tank (1) by means of fixing parts.

2. The ultrasonic cleaning device according to claim 1, characterized in that: The fixing member comprises a U-shaped slot; a plurality of the U-shaped slots are respectively fixed on the inner wall of the immersion tank (1); and both sides of the ultrasonic vibration plate (2) are respectively clamped in the corresponding U-shaped slots.

3. The ultrasonic cleaning device according to claim 2, characterized in that: The U-shaped slot comprises a first fixed plate (3), a second fixed plate (4) and a movable plate (5); one side edge of the first fixed plate (3) and one side edge of the second fixed plate (4) are respectively fixed on the side wall of the immersion tank (1), and the first fixed plate (3) and the second fixed plate (4) are arranged opposite to each other; the movable plate (5) is arranged between the first fixed plate (3) and the second fixed plate (4), and both side edges are respectively slidably connected to the first fixed plate (3) and the second fixed plate (4); the ultrasonic vibration plate (2) is inserted between the first fixed plate (3) and the second fixed plate (4), and the movable plate (5) is located between the side wall of the immersion tank (1) and the ultrasonic vibration plate (2).

4. The ultrasonic cleaning device according to claim 1, characterized in that: The ultrasonic unit comprises a plurality of vibration plate groups sequentially distributed along the length direction of the immersion tank (1); an H-shaped support seat (6) is provided between the ultrasonic vibration plates (2) adjacent to each other in the length direction; and the openings at both ends of the H-shaped support seat (6) are respectively clamped with the side edges of the corresponding ultrasonic vibration plates (2).

5. The ultrasonic cleaning device according to claim 1, characterized in that: The ultrasonic unit further comprises an ultrasonic generator (7); the ultrasonic generator (7) is connected to the ultrasonic vibration plate (2) via an ultrasonic cable (8).

6. The ultrasonic cleaning device according to claim 5, characterized in that: The immersion tank (1) is provided with a wire outlet (101); a sealing plug (9) is provided at the wire outlet (101); one end of the ultrasonic cable (8) is connected to the ultrasonic vibration plate (2), and the other end passes through the wire outlet (101) and the sealing plug (9) and is connected to the ultrasonic generator (7).

7. The ultrasonic cleaning device according to claim 5, characterized in that: It also includes a liquid level meter; the liquid level meter is connected to the ultrasonic generator (7).

8. The ultrasonic cleaning device according to claim 1, characterized in that: Turning rollers (10) are arranged at the entrance and exit of the immersion tank (1); a sinking roller (13) is also arranged in the immersion tank (1); and the vibration plate group is arranged between the turning roller (10) and the sinking roller (13).

9. The ultrasonic cleaning device according to claim 8, characterized in that: The two ends of the steering roller (10) respectively pass through the wall of the immersion tank (1) and are connected to the bearing seat; a water retaining ring (11) and a sealing cover (12) are provided at the connection between the steering roller (10) and the wall of the immersion tank (1).

10. The ultrasonic cleaning device according to claim 8, characterized in that: The two ends of the sinking roller (13) respectively pass through the wall of the immersion tank (1) and are connected to the bearing seat; a sealing flange cover (14) is provided at the connection between the sinking roller (13) and the wall of the immersion tank (1).

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