Environment-friendly cold-rolled steel strip continuous pickling equipment

Abstract

The utility model relates to environment-friendly continuous pickling equipment for a cold-rolled steel strip, which belongs to the technical field of cold-rolled steel strip production and comprises a box body, communicating holes are formed in the left side wall and the right side wall of the box body, and a stabilizing assembly for improving the stability of the steel strip is arranged in an inner cavity of the box body and close to the communicating hole in the left side. And a driving assembly for providing movement power for the steel belt is arranged at the position, close to the communicating hole in the right side, of an inner cavity of the box body, a liquid supply assembly penetrating through the box body and capable of efficiently pickling the steel belt is arranged at the top of the box body, and the right side of the box body fixedly communicates with a filtering assembly capable of preliminarily filtering waste liquid. According to the environment-friendly continuous pickling equipment for the cold-rolled steel strip, the driving assembly is driven by the driving motor to promote the steel strip to continuously move, the overall pickling efficiency can be effectively improved through cooperation with the liquid supply assembly, waste liquid obtained after pickling flows to the filtering assembly, and the convenience of follow-up waste liquid recycling is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolled steel strip production technical field, concretely is a kind of continuous pickling equipment of environmental protection type cold rolled steel strip. BACKGROUND

[0002] Cold rolled steel strip pickling can remove the oxide scale generated by hot rolling, making the surface clean and smooth, and improving the appearance quality. This process can reduce surface hardness, improve processing performance and reduce processing defects. Therefore, pickling equipment is needed to effectively pickle cold rolled steel strip.

[0003] For example, a cold rolled steel strip pickling device disclosed in Chinese patent (publication number: CN219653138U) relates to the technical field of cold rolled steel strip processing, which comprises a pickling tank. A support panel is arranged on the top of the pickling tank. A winding shaft for winding the cold rolled steel strip is arranged on the support panel. A driving motor is arranged between the winding shaft and the support panel. A pickling cavity for storing pickling solution is arranged in the interior of the pickling tank. A positioning wheel, a plurality of limiting wheels and a plurality of flat rotating wheels are arranged in the interior of the pickling cavity. The cold rolled steel strip alternately penetrates the surfaces of the limiting wheels and the flat rotating wheels. One end of the cold rolled steel strip is fixed on the positioning wheel. The other end of the cold rolled steel strip is fixed on the winding shaft. A buffer sleeve is arranged on the outer surface of the limiting wheel. The buffer sleeve is made of elastic material. A plurality of strip-shaped recessed parts are arranged on the outer surface of the buffer sleeve. The cold rolled steel strip pickling device can effectively remove the rust residues on the surface of the cold rolled steel strip.

[0004] However, the device is not convenient for recovering waste liquid. Since there is no filtering device, a large amount of undissolved impurities may be present in the waste liquid after pickling. The recovered waste liquid needs to be filtered separately for use, which makes the recovery inconvenient. Therefore, an environmental protection type cold rolled steel strip continuous pickling equipment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an environmental protection type cold rolled steel strip continuous pickling equipment, which has the advantages of convenient waste liquid recovery and solves the problem of inconvenient waste liquid recovery.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an environmental protection type cold rolled steel strip continuous pickling equipment, comprising a box body, the left and right side walls of the box body are both provided with a communication hole, a stability improving assembly for improving the stability of the steel strip is arranged in the inner cavity of the box body and close to the left side communication hole, a driving assembly for providing the motion power of the steel strip is arranged in the inner cavity of the box body and close to the right side communication hole, a liquid supply assembly for efficiently pickling the steel strip is arranged on the top of the box body and penetrates the inner box body, and a filtering assembly for preliminarily filtering the waste liquid is fixedly communicated with the right side of the box body.

[0007] The filtering assembly comprises a liquid inlet pipe fixedly communicated with the right side of the box body, an outer shell fixedly communicated with the right side of the liquid inlet pipe, a liquid outlet pipe fixedly communicated with the right side of the outer shell, a cover plate hingedly connected to the top of the outer shell, a connecting bolt fixed to the top of the cover plate, the cover plate fixed to the top of the outer shell through the connecting bolt, a plurality of sliding seats fixed to the inner bottom wall of the outer shell, a plurality of filter plates extending out of the sliding seats movably connected to each sliding seat, and a plurality of extension rods arranged on the inner side wall of each sliding seat, the opposite sides of the extension rods being fixed to the filter plates.

[0008] Further, the stabilizing assembly comprises two rotating rods, the front and rear sides of the two rotating rods being rotatably connected to the front and rear side walls of the inner cavity of the box body through bearings, and rolling wheels being fixed to the outer surfaces of the two rotating rods.

[0009] Further, the driving assembly comprises a driving rod and a driven rod rotatably connected to the front side wall of the inner cavity of the box body through bearings, the driving rod and the driven rod penetrating through the rear side wall of the box body, a driving gear and a driven gear being fixed to the outer surfaces of the driving rod and the driven rod respectively, a driving motor fixed to the back of the box body, an output shaft of the driving motor being fixed to the driving rod, and driving wheels fixed to the outer surfaces of the driving rod and the driven rod.

[0010] Further, the liquid supply assembly comprises a liquid tank fixed to the top of the box body, a liquid pump fixed to the top of the box body and located to the right of the liquid tank, an input end of the liquid pump being fixedly communicated with the right side wall of the liquid tank, a transmission pipe fixedly communicated with the right side of the liquid pump, the transmission pipe penetrating through the top wall of the box body, a communication pipe fixedly communicated with the bottom of the transmission pipe, the communication pipe being located in the box body, a plurality of branch pipes fixedly communicated with the bottom of the communication pipe, and a shower head fixedly communicated with the front of each branch pipe.

[0011] Further, a plurality of connecting frames are fixed to the outer surface of the communication pipe, and the communication pipe is fixed to the inner top wall of the box body through the connecting frames.

[0012] Further, a threaded hole penetrating through the top wall of the liquid tank is formed in the top of the liquid tank, and a threaded plug is threadedly connected in the threaded hole.

[0013] Further, a filter hole is formed in each filter plate, and the top of each filter plate is attached to the cover plate.

[0014] Further, each of the telescopic rods comprises a connecting disc fixed to the inner side wall of the sliding base, a stabilizing rod fixed to the side of each of the connecting discs away from the sliding base, a connecting spring fixed to the inner wall of each of the stabilizing rods, a moving rod fixed to the side of each of the connecting springs away from the stabilizing rod and extending out of the stabilizing rod, and a top supporting plate fixed to the side of each of the moving rods away from the connecting spring and fixed to the filter plate through the top supporting plate.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] The environment-friendly continuous pickling equipment for cold-rolled steel strips can promote the continuous movement of the steel strip through the driving motor and the driving assembly, and effectively improve the overall pickling efficiency through the liquid supply assembly. The undissolved particles in the waste liquid can be effectively filtered through the filter assembly after the waste liquid is discharged. The large particles on the filter plate can be easily shaken off through the filter plate and the plurality of telescopic rods, reducing the probability of blockage and further improving the convenience of subsequent waste liquid recovery. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the filter assembly of the utility model;

[0019] Figure 3 It is the utility model Figure 2 It is an enlarged view of A in the utility model;

[0020] Figure 4 It is a sectional view of the telescopic rod of the utility model.

[0021] In the figure: 1 box body, 2 stabilizing assembly, 201 rotating rod, 202 rolling wheel, 3 driving assembly, 301 driving rod, 302 driven rod, 4 liquid supply assembly, 401 liquid tank, 402 liquid pump, 403 transmission pipe, 404 communication pipe, 405 branch pipe, 406 shower, 5 filter assembly, 501 shell, 502 liquid inlet pipe, 503 liquid outlet pipe, 504 sliding base, 505 filter plate, 506 telescopic rod, 5061 connecting disc, 5062 stabilizing rod, 5063 connecting spring, 5064 moving rod, 5065 top supporting plate, 507 cover plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figure 1 , the environment-friendly cold-rolled steel strip continuous pickling equipment in this embodiment, including box 1, the left and right side wall of box 1 is provided with communication hole, the communication hole is convenient for steel strip to pass through, the front of box 1 is hinged with movable door through hinge, the inner cavity of box 1 and close to left side communication hole is equipped with stable component 2 for improving the stability of steel strip, the inner cavity of box 1 and close to right side communication hole is equipped with driving component 3 for providing the power of steel strip movement, the top of box 1 is equipped with liquid supply component 4 which can efficiently pickle the steel strip, the right side of box 1 is fixedly connected with filter component 5 which can preliminarily filter the waste liquid, the right side of filter component 5 is fixedly connected with collecting barrel which can concentrate the waste liquid.

[0024] In addition, the stable component 2 includes two rotating rods 201, the front and back sides of the two rotating rods 201 are rotatably connected with the front and back side walls of the inner cavity of the box 1 through bearings, the use of bearings can improve the stability of the rotating rods 201, the outer surfaces of the two rotating rods 201 are fixedly provided with rolling wheels 202, the two rotating rods 201 provide stable support force for the two rolling wheels 202, ensuring that the two rolling wheels 202 provide stable and continuous support force for the steel strip.

[0025] It needs to be further explained that the driving component 3 includes a driving rod 301 and a driven rod 302 rotatably connected with the front side wall of the inner cavity of the box 1 through bearings, the driving rod 301 and the driven rod 302 penetrate through the back side wall of the box 1, the outer surfaces of the driving rod 301 and the driven rod 302 are fixedly provided with driving gears and driven gears respectively, a driving motor provides stable power for the rotation of the driving rod 301, and then the driving gears and the driven gears are matched to smoothly promote power transmission, so that the driving rod 301 and the driven rod 302 rotate at the same time, providing stable power for the steel strip, improving the pickling efficiency, the back of the box 1 is fixedly provided with a driving motor, the output shaft of the driving motor is fixedly connected with the driving rod 301, and the outer surfaces of the driving rod 301 and the driven rod 302 are fixedly provided with driving wheels.

[0026] In this embodiment, during installation, first open the movable door, and then pass the steel strip through the rolling wheels and the driving wheels in sequence, after installation, under the cooperation of the driving motor and the liquid pump 402, the steel strip is continuously moved, thereby effectively improving the overall pickling efficiency.

[0027] Please refer to Figure 1 and Figures 2 to 4In order to facilitate the collection of waste liquid, the liquid supply assembly 4 in the embodiment includes a liquid tank 401 fixed to the top of the box body 1. A liquid pump 402 is fixed to the top of the box body 1 and located to the right of the liquid tank 401. The liquid pump 402 can provide power for continuous liquid circulation. The input end of the liquid pump 402 is fixed in communication with the right side wall of the liquid tank 401. The right side of the liquid pump 402 is fixed in communication with a transmission pipe 403. The transmission pipe 403 penetrates the top wall of the box body 1. The bottom of the transmission pipe 403 is fixed in communication with a communication pipe 404. The communication pipe 404 can transmit liquid on the transmission pipe 403 to a plurality of branch pipes 405. The communication pipe 404 is located in the box body 1. The bottom of the communication pipe 404 is fixed in communication with a plurality of branch pipes 405. The front of each branch pipe 405 is fixed in communication with a shower head 406. A plurality of nozzles are fixed in communication with the shower head 406. The shower head 406 can effectively pickle the top and bottom of the steel strip, improving the overall pickling effect.

[0028] It can be known that a plurality of connecting frames are fixed to the outer surface of the communication pipe 404. The connecting frames can provide stable support for the communication pipe 404, ensuring that the communication pipe 404 has relatively good stability. The communication pipe 404 is fixed to the inner top wall of the box body 1 through the plurality of connecting frames. A threaded hole penetrating the top wall of the liquid tank 401 is formed in the top of the liquid tank 401. A threaded plug is threadedly connected in the threaded hole. When liquid needs to be added, the threaded plug can be rotated to pour liquid into the liquid tank 401.

[0029] It can be understood that the filter assembly 5 includes a liquid inlet pipe 502 fixed in communication with the right side of the box body 1. The liquid inlet pipe 502 serves as a connecting function. The outer surface of the liquid inlet pipe 502 is fixed with a connecting flange. The connecting flange can provide stable support for the liquid inlet pipe 502. The right side of the liquid inlet pipe 502 is fixed in communication with an outer shell 501. The outer shell 501 serves a protection function. The right side of the outer shell 501 is fixed in communication with a liquid discharge pipe 503. The top of the outer shell 501 is hingedly connected with a cover plate 507. When the filter plate 505 needs to be replaced or repaired, the connecting bolts can be unscrewed, and then the cover plate 507 can be opened. The top of the cover plate 507 is fixed with a connecting bolt. The cover plate 507 is fixed to the top of the outer shell 501 through the connecting bolt. The inner bottom wall of the outer shell 501 is fixed with a plurality of sliding seats 504. Each sliding seat 504 is movably connected with a filter plate 505 extending out of the sliding seat 504. The filter plate 505 can effectively filter particles in the waste liquid. The telescopic rods 506 serve as a connecting function, effectively improving the stability of the filter plate 505. The inner side wall of each sliding seat 504 is provided with a plurality of telescopic rods 506. The opposite sides of the plurality of telescopic rods 506 are respectively fixed with the plurality of filter plates 505.

[0030] It needs to be further explained that the filter plate 505 is provided with a filter hole, which can pass liquid and effectively block particles, the top of each filter plate 505 is attached to the cover plate 507, each telescopic rod 506 includes a connecting disc 5061 fixed to the inner side wall of the sliding seat 504, each connecting disc 5061 is fixed with a stabilizing rod 5062 away from the sliding seat 504, each stabilizing rod 5062 is fixed with a connecting spring 5063 on the inner wall, when the waste liquid flows, it will promote the filter plate 505 to move to the right, further promote the filter plate 505 to move, so as to promote the connecting spring 5063 on one side to be compressed and the other side to be stretched, when it ends, the connecting spring 5063 returns to its original state, promoting the filter plate 505 to shake left and right, thereby smoothly taking the particles down, each connecting spring 5063 is fixed with a moving rod 5064 extending to the outside of the stabilizing rod 5062 away from the stabilizing rod 5062, each moving rod 5064 is fixed with a top support plate 5065 away from the connecting spring 5063, each moving rod 5064 is fixed with the filter plate 505 through the top support plate 5065.

[0031] In the embodiment, the liquid pump 402 can promote the continuous flow of liquid, and cooperate with the shower head 406 to effectively pickle the top and bottom of the steel strip. The waste liquid after pickling is effectively filtered by the filter assembly 5. The filter plate 505 can shake to reduce the probability of blockage, and further improve the overall service life.

[0032] It can be understood that the stabilizing assembly 2 can provide stable support for the steel strip, and the driving assembly 3 and the liquid supply assembly 4 can effectively improve the pickling efficiency of the steel strip. The inner bottom wall of the box body 1 is inclined to cooperate with the filter assembly 5 to facilitate the collection of waste liquid.

[0033] The electrical components in the text are electrically connected with the controller and the power supply. The control mode of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming of the skilled person in the art. The power supply also belongs to the common knowledge in the art. And the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model are not explained in detail.

[0034] The working principle of the above embodiment is:

[0035] First start drive motor to promote the main rod 301 and driven rod 302 under the action of the main gear and driven gear synchronous rotation, further drive wheel rotation on the main rod 301 and driven rod 302, so as to promote the continuous operation of the steel belt, while the liquid pump 402 continuously suck out the acid liquid in the liquid tank 401, and through a plurality of branch pipes 405 to a plurality of shower 406, promote a plurality of shower 406 simultaneously spray liquid to the steel belt for continuous pickling, waste liquid is effectively filtered by the filter assembly 5, then unified recycling, waste liquid through the filter plate 505, at the same time through the common action of sliding seat 504 and a plurality of telescopic rod 506, can promote the filter plate 505 shake, so as to shake off the particles, reduce the probability of blockage, improve the overall service life.

[0036] It should be noted that in this paper, such as the first second relationship terms such as only to distinguish one entity or operation with another entity or operation, and does not necessarily require or imply that there is any such actual relationship or order between the entity or operation. Moreover, the term "include", "contain" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements, not only includes those elements, but also includes other elements not explicitly listed, or also includes the inherent elements of such process, method, article or equipment. Without more limitations, the element defined by the sentence "including a" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0037] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application.

Claims

1. An environment-friendly continuous pickling equipment for cold-rolled steel strip, comprising a box body (1), characterized in that: The left and right side walls of the box (1) are provided with communication holes, the inner cavity of the box (1) and close to the left side communication hole is provided with a stable assembly (2) for improving the stability of the steel belt, the inner cavity of the box (1) and close to the right side communication hole is provided with a driving assembly (3) for providing the movement power of the steel belt, the top of the box (1) is provided with a liquid supply assembly (4) which penetrates the box (1) and can efficiently pickle the steel belt, the right side of the box (1) is fixedly communicated with a filter assembly (5) which can preliminarily filter the liquid waste. The filter assembly (5) comprises a liquid inlet pipe (502) fixedly communicated with the right side of the box (1), the right side of the liquid inlet pipe (502) is fixedly communicated with an outer shell (501), the right side of the outer shell (501) is fixedly communicated with a liquid outlet pipe (503), the top of the outer shell (501) is hingedly connected with a cover plate (507), the top of the cover plate (507) is fixedly connected with a connecting bolt, the cover plate (507) is fixed to the top of the outer shell (501) through the connecting bolt, the inner bottom wall of the outer shell (501) is fixedly connected with a plurality of sliding seats (504), each sliding seat (504) is movably connected with a filter plate (505) extending out of the sliding seat (504), and the inner side wall of each sliding seat (504) is provided with a plurality of telescopic rods (506), and the opposite sides of the plurality of telescopic rods (506) are fixedly connected with the plurality of filter plates (505) respectively.

2. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 1, characterized in that: The stable assembly (2) comprises two rotating rods (201), the front and rear sides of the two rotating rods (201) are rotatably connected with the front and rear side walls of the inner cavity of the box (1) through bearings, and the outer surfaces of the two rotating rods (201) are fixedly connected with rolling wheels (202).

3. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 1, characterized in that: The driving assembly (3) comprises a driving rod (301) and a driven rod (302) rotatably connected with the front side wall of the inner cavity of the box (1) through bearings, the driving rod (301) and the driven rod (302) penetrate the rear side wall of the box (1), the outer surfaces of the driving rod (301) and the driven rod (302) are fixedly connected with driving gears and driven gears respectively, the back of the box (1) is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with the driving rod (301), and the outer surfaces of the driving rod (301) and the driven rod (302) are fixedly connected with driving wheels.

4. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 1, characterized in that: The liquid supply assembly (4) comprises a liquid tank (401) fixedly connected with the top of the box (1), the top of the box (1) and located at the right side of the liquid tank (401) is fixedly connected with a liquid pump (402), the input end of the liquid pump (402) is fixedly communicated with the right side wall of the liquid tank (401), the right side of the liquid pump (402) is fixedly communicated with a transmission pipe (403), the transmission pipe (403) penetrates the top wall of the box (1), the bottom of the transmission pipe (403) is fixedly communicated with a communication pipe (404), the communication pipe (404) is located in the box (1), and the bottom of the communication pipe (404) is fixedly communicated with a plurality of branch pipes (405), and the front surface of each branch pipe (405) is fixedly communicated with a shower head (406).

5. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 4, characterized in that: The outer surface of the communication pipe (404) is fixed with a plurality of connecting frames, and the communication pipe (404) is fixed with the inner top wall of the box body (1) through the plurality of connecting frames.

6. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 4, characterized in that: The top of the liquid tank (401) is provided with a threaded hole penetrating through the top wall of the liquid tank (401), and a threaded plug is threadedly connected in the threaded hole.

7. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 1, characterized in that: Each filter plate (505) is provided with a filter hole, and the top of each filter plate (505) is attached to the cover plate (507).

8. The environment-friendly cold-rolled steel strip continuous pickling equipment according to claim 1, characterized in that: Each telescopic rod (506) comprises a connecting disc (5061) fixed to the inner side wall of the sliding seat (504), a stabilizing rod (5062) fixed to the side of each connecting disc (5061) away from the sliding seat (504), a connecting spring (5063) fixed to the inner wall of each stabilizing rod (5062), a moving rod (5064) fixed to the side of each connecting spring (5063) away from the stabilizing rod (5062) and extending out of the stabilizing rod (5062), a top supporting plate (5065) fixed to the side of each moving rod (5064) away from the connecting spring (5063), and each moving rod (5064) is fixed to the filter plate (505) through the top supporting plate (5065).

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