Electrolytic degreasing equipment for pretreatment of cold-rolled steel strip

Abstract

The utility model relates to the field of cold-rolled steel strip treatment, in particular to electrolytic degreasing equipment for cold-rolled steel strip pretreatment, which comprises an electrolytic tank, a power supply is mounted on the right side of the electrolytic tank, two preformed holes which are bilaterally symmetrical are formed in each of the front side and the rear side of the upper part in the electrolytic tank, and circulating filtering mechanisms are arranged on each of the front side and the rear side of the electrolytic tank. According to the utility model, electrolyte in the electrolytic tank is rapidly pumped out and filtered by virtue of the water pump, and impurities are left between the liquid limiting plate and the filter plate in the filtering process, so that the impurities are prevented from flowing back, the cleanliness of the electrolyte in the electrolytic tank can be ensured as much as possible, the influence of the impurities on the electrolytic process is reduced, and the electrolytic efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolled steel strip processing field especially relates to a kind of electrolytic oil removal equipment of cold rolled steel strip pretreatment. BACKGROUND

[0002] Cold rolled steel strip is usually needed to be pretreated to remove the impurities such as grease and rust on the surface before subsequent processing, to ensure its surface clean and smooth, so as to improve the quality of subsequent coating or plating layer, electrolytic oil removal is a process of removing oil stains on the surface of metal by electrolysis, in this process, metal as anode or cathode, power on in electrolyte, through the action of electric current, the oil stains on the surface of metal are decomposed and separated from the surface of metal, while gas is generated, these bubbles can help to further remove the dirt on the surface of metal, the prior art does not perform much treatment on the electrolyte in electrolytic cell when performing oil removal treatment, generally, electrolyte is replaced and filtered after one-time oil removal, which can cause the impurities in electrolyte to increase continuously during processing, affecting electrolysis efficiency and effect.

[0003] Therefore, in view of the above problems, a kind of electrolytic oil removal equipment of cold rolled steel strip pretreatment is developed. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings that the prior art does not perform much treatment on the electrolyte in electrolytic cell, generally, electrolyte is replaced and filtered after one-time oil removal, which can cause the impurities in electrolyte to increase continuously during processing, affecting electrolysis efficiency and effect, the utility model provides a kind of electrolytic oil removal equipment of cold rolled steel strip pretreatment.

[0005] The technical scheme of the utility model is: a kind of electrolytic oil removal equipment of cold rolled steel strip pretreatment, including electrolytic cell, power supply is installed in the right side of electrolytic cell, and the detachable connecting structure between power supply and electrolytic cell, two reserved holes that are left-right symmetrical are opened in the upper portion of electrolytic cell, and the reserved hole is used to extract electrolyte, circulation filtering mechanism for carrying out circulation filtering treatment to electrolyte is arranged in the front and back sides of electrolytic cell, the circulation filtering mechanism can extract electrolyte after oil removal and block filtration to impurities, prevent impurities from backflowing during filtration process.

[0006] Further, the circulating filtering mechanism comprises mounting assemblies, the mounting assemblies are connected to the front and rear sides of the electrolytic cell, water pumps are arranged on the mounting assemblies, suction pipes are connected between the water pumps and the adjacent reserved holes, filter plates are slidably connected to the middle positions of the suction pipes, baffle plates are arranged on the filter plates, liquid limiting plates are arranged on the lower sides of the filter plates, the liquid limiting plates are used for blocking the filtered impurities to prevent the impurities from flowing back, clamping pieces are slidably connected to the suction pipes, the clamping pieces are used for blocking and limiting the adjacent filter plates, reset springs are connected between the clamping pieces and the adjacent suction pipes, and drain pipes are connected to the top of the water pumps, and the outlets of the drain pipes are close to the inner side of the electrolytic cell.

[0007] Further, the stirring mechanism comprises a driving motor, the driving motor is installed on the front lower side of the electrolytic cell, the output shaft of the driving motor is rearward arranged, an installation frame is arranged at the middle position of the inner bottom of the electrolytic cell, the output shaft of the driving motor is rotatably connected with the installation frame and the electrolytic cell, and a stirring piece is rotatably connected to the upper portion of the installation frame.

[0008] Further, the baffle plate is in an arc-shaped structure and can be attached to the inner wall of the pipeline to block.

[0009] Further, the clamping piece is provided with a circular pull ring on the outer side.

[0010] Further, the blades of the stirring piece are in an inclined structure.

[0011] By adopting the above technical scheme, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model discloses a water pump that can quickly extract electrolyte in the electrolytic cell and filter the electrolyte, and the impurities are left between the liquid limiting plate and the filter plate during the filtering process to prevent the impurities from flowing back, so that the cleanliness of the electrolyte in the electrolytic cell can be ensured as much as possible, the influence of the impurities on the electrolysis process is reduced, and the electrolysis efficiency is improved.

[0013] 2. When the electrolyte is purified, the driving motor can be started, the rotation of the output shaft of the driving motor drives the rotation of the lower rotary gear, so that the stirring piece rotates, the rotation of the stirring piece drives the electrolyte to be stirred, so that the impurities deposited at the bottom of the electrolytic cell are stirred upwards and extracted through the reserved hole, and the content of the impurities in the electrolytic cell is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is the first kind of partial section three-dimensional structure schematic view of the circulating filtering mechanism of the utility model.

[0016] Figure 3 It is the second kind of partial section three-dimensional structure schematic view of the circulating filtering mechanism of the utility model.

[0017] Figure 4 It is the third kind of partial section three-dimensional structure schematic view of the circulating filtering mechanism of the utility model.

[0018] Figure 5 It is the partial section three-dimensional structure schematic view of the stirring mechanism of the utility model.

[0019] In the figure, 1 is electrolytic cell, 2 is power supply, 3 is reserved hole, 4 is circulating filtering mechanism, 41 is water pump, 42 is liquid suction pipe, 43 is mounting assembly, 44 is filter plate, 45 is baffle, 46 is liquid limiting plate, 47 is clamping piece, 48 is reset spring, 49 is liquid discharge pipe, 5 is stirring mechanism, 51 is driving motor, 52 is rotating gear, 53 is stirring piece, 54 is mounting frame. DETAILED DESCRIPTION

[0020] The utility model will be specifically introduced below in combination with the drawings and specific embodiments.

[0021] Embodiment 1

[0022] A kind of electrolytic oil removal equipment for cold-rolled steel strip pretreatment, as shown in Figures 1-5 It includes electrolytic cell 1, power supply 2 is installed in the right side of electrolytic cell 1, and the detachable connection structure between power supply 2 and electrolytic cell 1, two reserved holes 3 that are symmetrical left and right are opened in the upper portion of electrolytic cell 1 front and back, and the reserved hole 3 is used to extract electrolyte, the circulating filtering mechanism 4 for carrying out circulating filtration treatment to electrolyte is arranged in the front and back sides of electrolytic cell 1, the circulating filtering mechanism 4 can extract electrolyte after oil removal and block the impurity filtration, prevent the impurity backflow in the filtration process.

[0023] The circulating filtering mechanism 4 comprises a mounting assembly 43, the mounting assembly 43 is connected to the front and rear sides of the electrolytic cell 1, a water pump 41 is arranged on the mounting assembly 43, a liquid pumping pipe 42 is connected between the water pump 41 and the adjacent reserved hole 3, a filter plate 44 is slidably connected to the middle position of the liquid pumping pipe 42, a baffle 45 is arranged on the filter plate 44, the baffle 45 is of an arc-shaped structure and can be attached to the inner wall of the pipeline for blocking, a liquid limiting plate 46 is arranged on the lower outer side of the filter plate 44, the liquid limiting plate 46 is used for blocking the impurities filtered, preventing the impurities from flowing back, a clamping piece 47 is slidably connected to the liquid pumping pipe 42, the clamping piece 47 is provided with a circular pull ring on the outer side, the clamping piece 47 is used for blocking and limiting the adjacent filter plate 44, a reset spring 48 is connected between the clamping piece 47 and the adjacent liquid pumping pipe 42, and a liquid discharging pipe 49 is connected to the top of the water pump 41, and the outlet of the liquid discharging pipe 49 is close to the inner side of the electrolytic cell 1.

[0024] It should be noted that when the cold-rolled steel strip is subjected to oil removal treatment, the device can be used for electrolytic assistance. First, the cold-rolled steel strip is placed in the electrolytic cell 1 for normal electrolytic treatment operation, and then the water pump 41 is started. After the water pump 41 is started, the electrolyte containing impurities in the electrolytic cell 1 is pumped out, so that the electrolyte passes through the liquid limiting plate 46 and the filter plate 44. At this time, the impurities are blocked by the filter plate 44 and deposited between the filter plate 44 and the liquid limiting plate 46. Under the blocking action of the liquid limiting plate 46, the impurities will not move with the electrolyte and will not flow back. The electrolyte after the filtering treatment is discharged through the liquid discharging pipe 49 under the guidance of the water pump 41, so that the treated electrolyte is returned to the electrolytic cell 1 to perform electrolytic oil removal operation on the cold-rolled steel strip. This method can ensure the cleanliness of the electrolyte in the electrolytic cell 1 as much as possible and reduce the influence of impurities on the electrolysis process. After a period of use, the circular pull ring on the clamping piece 47 is pulled to unlock the filter plate 44, and then the filter plate 44 is pulled out for cleaning treatment of the impurities.

[0025] Example 2

[0026] On the basis of example 1, a stirring mechanism 5 is further included, the stirring mechanism 5 comprises a driving motor 51, the driving motor 51 is installed on the front lower side of the electrolytic cell 1, the output shaft of the driving motor 51 is rearwardly arranged, an installation frame 54 is arranged at the middle position of the bottom of the electrolytic cell 1, the output shaft of the driving motor 51 is rotationally connected with the installation frame 54 and the electrolytic cell 1, a stirring piece 53 is rotationally connected to the upper portion of the installation frame 54, the blades of the stirring piece 53 are of an inclined structure, a rotating gear 52 is arranged on the bottom of the stirring piece 53 and the driving motor 51, and the rotating gear 52 is located in the installation frame 54.

[0027] It should be noted that when the electrolyte is purified, the driving motor 51 can be started, and the rotation of the output shaft of the driving motor 51 drives the rotation of the lower rotating gear 52, so that the stirring part 53 rotates, and the rotation of the stirring part 53 drives the electrolyte to be stirred, so that the impurities deposited at the bottom of the electrolytic cell 1 are stirred upward, and can be extracted through the reserved hole 3, further reducing the impurity content in the electrolytic cell 1.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An electrolytic degreasing plant for the pretreatment of cold-rolled steel strip, characterized in that: The utility model provides an electrolytic cell, including electrolytic cell (1), electrolytic cell (1) right side is equipped with power supply (2), and power supply (2) and electrolytic cell (1) between are detachable connection structure, the upper portion of electrolytic cell (1) is equipped with two left-right symmetrical two reserved holes (3) in front and back, and the reserved hole (3) is used for extracting electrolyte, and the front and back of electrolytic cell (1) are provided with the circulating filter mechanism (4) for carrying out circulating filtration treatment to electrolyte, and the circulating filter mechanism (4) can extract electrolyte after oil removal and carry out the barrier filtration to impurity, prevents the backflow of impurity in the filtration process.

2. An electrolytic degreasing apparatus for cold-rolled steel strip pretreatment according to claim 1, characterized in that: The circulating filter mechanism (4) includes a mounting assembly (43), the mounting assembly (43) is connected to the front and back of the electrolytic cell (1), a water pump (41) is arranged on the mounting assembly (43), an extraction pipe (42) is connected between the water pump (41) and the adjacent reserved hole (3), a filter plate (44) is slidably connected to the middle position of the extraction pipe (42), a baffle (45) is arranged on the filter plate (44), a liquid limiting plate (46) is arranged on the lower outer side of the filter plate (44), the liquid limiting plate (46) is used for blocking the impurities after filtration to prevent backflow of impurities, a clamping piece (47) is slidably connected to the extraction pipe (42), the clamping piece (47) is used for blocking and limiting the adjacent filter plate (44), a reset spring (48) is connected between the clamping piece (47) and the adjacent extraction pipe (42), and a drainage pipe (49) is connected to the top of the water pump (41), and the outlet of the drainage pipe (49) is close to the inner side of the electrolytic cell (1).

3. An electrolytic degreasing apparatus for cold-rolled steel strip pretreatment according to claim 2, characterized in that: The utility model also includes a stirring mechanism (5), the stirring mechanism (5) includes a drive motor (51), the drive motor (51) is installed on the front side of the lower part of the electrolytic cell (1), the output shaft of the drive motor (51) is arranged in the rear direction, an installation frame (54) is arranged at the middle position of the bottom of the electrolytic cell (1), the output shaft of the drive motor (51) is rotatably connected to the installation frame (54) and the electrolytic cell (1), a stirring piece (53) is rotatably connected to the upper part of the installation frame (54), a rotating gear (52) is arranged on the bottom of the stirring piece (53) and the drive motor (51), and the rotating gear (52) is located in the installation frame (54).

4. A cold rolled steel strip pretreatment electrolytic degreasing apparatus as claimed in claim 2, wherein: The baffle (45) is an arc-shaped structure, which can block the inner wall of the pipeline.

5. A cold rolled steel strip pretreatment electrolytic degreasing apparatus as claimed in claim 2, wherein: The clamping piece (47) has a circular pull ring on the outer side.

6. A cold rolled steel strip pretreatment electrolytic degreasing apparatus as claimed in claim 3, wherein: The blades of the stirring piece (53) are inclined structures.

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