Steel plate pickling device

By designing a steel plate pickling device, the spraying and discharge of acid and neutralizing agent are controlled by a pump, which solves the corrosion problem after steel plate pickling, achieves efficient cleaning and convenient adjustment, and ensures the surface quality of steel plates.

CN223752902UActive Publication Date: 2026-01-02TIANJIN ENWIT METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202520203673.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-02
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

If steel plates are not neutralized and cleaned in time after pickling, the acid may continue to react with the steel, leading to excessive corrosion or the formation of new oxides, which will affect the quality of the steel.

Method used

A steel plate pickling device was designed, comprising a supporting base plate, a pickling tank, a cleaning basket, a regulating box, a spray head, and a pump system. The pump system controls the spraying and discharge of acid and neutralizing agent to achieve the pickling and neutralization cleaning process.

Benefits of technology

It improves cleaning capabilities, enhances ease of movement, adjustment, and assembly, ensures clean steel plate surfaces, and prevents corrosion and oxide formation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel plate pickling, and discloses a steel plate pickling device which comprises a supporting bottom plate, a pickling tank and a cleaning basket, adjusting boxes are fixed to the upper positions of the two sides of the pickling tank, and the other end of a second pump body is connected with a third flow guide pipe. A steel plate is placed in the cleaning basket and then descends into the pickling tank to be used for pickling work, meanwhile, a third pump body can be started to work to extract a solution, located on the left side of a partition plate, in a solution box, and a spraying head can spray and supplement the acid solution; after a second pump body is started to work, a second flow guide pipe is used for extracting a solution, located on the right side of the partition plate, in the solution tank, and after drainage of a third flow guide pipe, a spraying head finally sprays a neutralizing solution to achieve the purpose of neutralizing and cleaning, and finally a first pump body is started to work to extract a water source in the water tank; after being drained by the second drainage pipe, the water reaches the position of the spraying frame to spray a water source, so that the purpose of cleaning is achieved, and the overall cleaning capacity is better improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel plate pickling technical field, concretely is a kind of steel plate pickling device. BACKGROUND

[0002] Steel plate is the flat plate of steel material that is casted with molten steel, cooled and pressed, usually rectangular, can be directly rolled or cut from wide steel strip, and the classification of steel plate is various, can be divided into hot rolling and cold rolling according to rolling mode, and steel plate has high strength, high toughness, good welding performance and cold forming performance, so steel plate is widely used in the field of manufacturing bridge, ship, vehicle etc.

[0003] And in order to ensure the service life of steel plate, the surface of steel plate needs to be treated when using, and steel plate pickling is a kind of surface treatment process, which removes the oxide scale, rust and other impurities on the surface of steel plate by acid solution to restore its clean and smooth surface, so in order to complete pickling work, pickling device needs to be used, and if not neutralized and cleaned in time after soaking in acidic liquid, the acid liquid may continue to react with steel, resulting in excessive corrosion or new oxide, which directly affects the quality of steel. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of steel plate pickling devices, to solve the problem that the pickling work in above background technique is soaked in acidic liquid, if not neutralized and cleaned in time, these acid liquid can continue to react with steel, resulting in excessive corrosion or new oxide, which directly affects the quality of steel.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steel plate pickling device, including support base plate, pickling pool, cleaning basket, the upper position of both sides of the pickling pool is fixed with adjusting box, the upper position of adjusting box side edge is equipped with mounting bracket, the bottom of mounting bracket is connected with liquid storage pipe, the bottom of liquid storage pipe is connected with spray head, the back end position of pickling pool is equipped with spray frame, the left side position of support base plate top is installed with water tank, the right side position of water tank top is installed with first pump body, one end of first pump body is connected with first drainage pipe, the other end of first pump body is connected with second drainage pipe, the tail end of second drainage pipe and the back of spray frame are interconnected, the right side position of support base plate top is equipped with solution tank, the middle position in solution tank is fixed with partition, the left position of solution tank top is equipped with third pump body, one end of third pump body is connected with first guide pipe, the other end of third pump body is connected with fourth guide pipe, the right position of solution tank top is equipped with second pump body, one end of second pump body is connected with second guide pipe, the other end of second pump body is connected with third guide pipe.

[0006] As a further technical scheme of the utility model, the tail end of the fourth flow guide pipe and the top of the liquid storage pipe are in communication with each other, and the tail end of the third flow guide pipe and the top of the liquid storage pipe are in communication with each other.

[0007] As a further technical scheme of the utility model, the spray head is uniformly distributed at the bottom of the liquid storage pipe, liquid inlet pipes are arranged at both sides of the top of the solution tank, and a water inlet pipe is arranged at the left side of the top of the water tank.

[0008] As a further technical scheme of the utility model, a liquid outlet is arranged at the lower position of the front end face of the pickling tank, a first scale line is arranged on the front end face of the water tank, and a second scale line is arranged at both sides of the front end of the solution tank.

[0009] As a further technical scheme of the utility model, a servo motor is arranged at the top position of the left adjusting tank, a threaded rod is arranged in the left adjusting tank, a threaded block is connected to the outer portion of the threaded rod, a guide rod is arranged in the right adjusting tank, and a sliding sleeve is connected to the outer portion of the guide rod.

[0010] As a further technical scheme of the utility model, a threaded connection is formed between the threaded rod and the threaded block, and a sliding guide is formed between the guide rod and the sliding sleeve.

[0011] As a further technical scheme of the utility model, guide blocks are fixed at the side edge positions of the threaded block and the sliding sleeve, and a guide groove is arranged in the side edge of the adjusting tank.

[0012] As a further technical scheme of the utility model, a connecting block is fixed at the side edge of the guide block, a positioning column is fixed at the top of the connecting block, an upper edge frame plate is connected to the upper portion of the connecting block, a cleaning basket is arranged at the bottom of the upper edge frame plate, a positioning groove is arranged in both sides of the upper edge frame plate, and a locking nut is connected to the outer portion of the positioning column.

[0013] Compared with the prior art, the steel plate pickling device has the advantages that the cleaning capacity is improved, the moving adjustment capacity and the assembly convenience of the pickling device are improved, and the like.

[0014] (1) through the steel plate in the cleaning basket and then dropped to the pickling tank for pickling work, at this time the pickling tank needs to accommodate a certain amount of acid solution, while the third pump body can be started to work after the solution tank in the left side of the partition plate is extracted, then through the fourth flow guide pipe, the spray head can be sprayed with acid solution, after the end, the acid solution is discharged from the drain port, then the second pump body is started to work, and the solution tank in the right side of the partition plate is extracted through the second flow guide pipe, then through the third flow guide pipe, the spray head is finally sprayed with neutralizing liquid, so that the purpose of neutralization and cleaning is achieved, and finally the first pump body is started to work to extract the water source in the water tank through the second flow guide pipe, and then the water source is sprayed on the spray frame through the second flow guide pipe, so that the cleaning purpose is achieved, and the overall cleaning capacity is improved during the work.

[0015] (2) the adjusting box is installed and fixed on the upper side of the pickling tank on both sides, and the screw rod is driven to rotate under the action of the servo motor, so that the vertical adjustment is formed between the screw rod and the threaded block, and the guide rod and the sliding sleeve are connected under the connection of the connecting block, so that the height adjustment of the cleaning basket is facilitated after the cleaning basket is assembled, and the overall movement adjustment capacity is improved.

[0016] (3) the guide blocks are fixed on the sides of the threaded block and the sliding sleeve, the connecting blocks are installed and fixed on the sides of the guide blocks, the positioning columns are fixed on the top of the connecting blocks, the positioning columns are inserted into the positioning grooves through the positioning grooves when the upper frame plate is assembled, and the locking nuts are locked, so that the assembly convenience of the whole is improved during the work. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0019] Figure 3 It is a front view structural schematic diagram of the adjusting box of the utility model;

[0020] Figure 4 It is a front view structural schematic diagram of the cleaning basket of the utility model.

[0021] In the figure: 1, support base plate; 2, water tank; 3, first drainage pipe; 4, first pump body; 5, second drainage pipe; 6, adjusting tank; 7, pickling tank; 8, spray frame; 9, cleaning basket; 10, guide rod; 11, solution tank; 12, first flow guide pipe; 13, partition plate; 14, second flow guide pipe; 15, third flow guide pipe; 16, fourth flow guide pipe; 17, sliding sleeve; 18, mounting frame; 19, liquid storage pipe; 20, spray head; 21, servo motor; 22, guide block; 23, adapter block; 24, first scale line; 25, liquid discharge port; 26, second scale line; 27, second pump body; 28, third pump body; 29, threaded block; 30, threaded rod; 31, positioning column; 32, positioning groove; 33, locking nut; 34, upper edge frame plate. DETAILED DESCRIPTION

[0022] The technical solutions 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 protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of steel sheet pickling device, including support base plate 1, pickling tank 7, cleaning basket 9, pickling tank 7 both sides upper position is fixed with adjusting tank 6, adjusting tank 6 side upper position is equipped with mounting frame 18, the bottom of mounting frame 18 is connected with liquid storage pipe 19, the bottom of liquid storage pipe 19 is connected with spray head 20, the back end position of pickling tank 7 is equipped with spray frame 8, the left side position of support base plate 1 top is installed with water tank 2, the right side position of water tank 2 top is installed with first pump body 4, one end of first pump body 4 is connected with first drainage pipe 3, the other end of first pump body 4 is connected with second drainage pipe 5, tail end of second drainage pipe 5 and the back of spray frame 8 are mutually connected, the right side position of support base plate 1 top is equipped with solution tank 11, the middle position in solution tank 11 is fixed with partition plate 13, the left position of solution tank 11 top is equipped with third pump body 28, one end of third pump body 28 is connected with first flow guide pipe 12, the other end of third pump body 28 is connected with fourth flow guide pipe 16, the right position of solution tank 11 top is equipped with second pump body 27, one end of second pump body 27 is connected with second flow guide pipe 14, the other end of second pump body 27 is connected with third flow guide pipe 15.

[0024] Tail end of fourth flow guide pipe 16 and the top of liquid storage pipe 19 are mutually connected, tail end of third flow guide pipe 15 and the top of liquid storage pipe 19 are mutually connected.

[0025] The spray head 20 is evenly distributed at the bottom of the liquid storage pipe 19, the liquid inlet pipe is arranged at the top of the solution tank 11 on both sides, and the water inlet pipe is arranged at the top of the water tank 2 on the left side.

[0026] The acid pickling tank 7 is provided with a liquid outlet 25 at the lower position of the front end face, the water tank 2 is provided with a first scale line 24 at the front end face, and the solution tank 11 is provided with a second scale line 26 at the front end on both sides.

[0027] The servo motor 21 is arranged at the top of the left adjusting tank 6, the threaded rod 30 is arranged in the left adjusting tank 6, the threaded block 29 is connected to the outside of the threaded rod 30, the guide rod 10 is arranged in the right adjusting tank 6, and the sliding sleeve 17 is connected to the outside of the guide rod 10.

[0028] The threaded rod 30 and the threaded block 29 are threadedly connected, and the guide rod 10 and the sliding sleeve 17 are slidingly guided.

[0029] The guide block 22 is fixed to the side of the threaded block 29 and the sliding sleeve 17, and the guide groove is opened in the side of the adjusting tank 6.

[0030] The guide block 22 is fixed to the side of the threaded block 29 and the sliding sleeve 17, and the guide groove is opened in the side of the adjusting tank 6.

[0031] Further, the solution used in pickling can be sulfuric acid, hydrochloric acid, nitric acid and other acidic solutions, and the solution used in neutralization and cleaning can be sodium carbonate, sodium hydroxide and other neutralizing agents. The acidities of the two solvents are in the left direction of the partition plate 13, and the neutralizing agent is in the right direction of the partition plate 13.

[0032] Working principle: first, the work when the positioning column 31 is fixed in the top position of the adapter block 23, when assembling the frame plate 34, the positioning column 31 can be inserted through the inside of the positioning groove 32, then the locking nut 33 is locked, the steel plate is placed in the cleaning basket 9 and then lowered into the pickling tank 7 for pickling work, at this time the pickling tank 7 needs to contain a certain amount of acid solution, start the third pump body 28 to work to extract the solution in the solution tank 11 on the left side of the partition plate 13, then through the fourth flow guide pipe 16, let the spray head 20 spray the acid solution, after finishing, let the acid solution be discharged from the drain port 25, then start the second pump body 27 to work to extract the solution in the solution tank 11 on the right side of the partition plate 13, then through the third flow guide pipe 15, let the spray head 20 finally spray the neutralizing liquid, achieve the purpose of neutralization and cleaning, finally start the first pump body 4 to work to extract the water source in the water tank 2, then through the second flow guide pipe 5, reach the position of the spray frame 8 to spray the water source, so as to complete the pickling and cleaning work.

[0033] In the description of the utility model, it is need to explain, unless have explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside communication. For ordinary skilled person in the art, the above-mentioned term can be understood in the utility model in the concrete meaning of the specific circumstances.

Claims

1. A steel sheet pickling apparatus comprising a support floor (1), a pickling tank (7), a cleaning basket (9), characterized by: The adjusting box (6) is fixed at the upper position of the both sides of the pickling tank (7), the mounting frame (18) is equipped at the upper position of the side of the adjusting box (6), the bottom end of the mounting frame (18) is connected with the liquid storage pipe (19), the bottom of the liquid storage pipe (19) is connected with the spray head (20), the spray frame (8) is equipped at the back end of the pickling tank (7), the water tank (2) is installed at the left position of the top of the supporting bottom plate (1), the first pump body (4) is installed at the right position of the top of the water tank (2), one end of the first pump body (4) is connected with the first drainage pipe (3), the other end of the first pump body (4) is connected with the second drainage pipe (5), the tail end of the second drainage pipe (5) is communicated with the back of the spray frame (8), the solution tank (11) is equipped at the right position of the top of the supporting bottom plate (1), the partition plate (13) is fixed at the middle position in the solution tank (11), the third pump body (28) is equipped at the left position of the top of the solution tank (11), one end of the third pump body (28) is connected with the first flow guide pipe (12), the other end of the third pump body (28) is connected with the fourth flow guide pipe (16), the second pump body (27) is equipped at the right position of the top of the solution tank (11), one end of the second pump body (27) is connected with the second flow guide pipe (14), the other end of the second pump body (27) is connected with the third flow guide pipe (15).

2. A pickling installation for steel sheets according to claim 1, characterized in that: The tail end of the fourth flow guide pipe (16) and the top of the liquid storage pipe (19) are communicated, the tail end of the third flow guide pipe (15) and the top of the liquid storage pipe (19) are communicated.

3. A pickling installation for steel sheets as claimed in claim 1, characterized in that: The spray head (20) is uniformly distributed at the bottom of the liquid storage pipe (19), the liquid inlet pipe is equipped at the both sides of the top of the solution tank (11), the water inlet pipe is equipped at the left position of the top of the water tank (2).

4. A pickling installation for steel sheets as claimed in claim 1, characterized in that: The drain port (25) is equipped at the lower position of the front end surface of the pickling tank (7), the first scale line (24) is equipped at the front end surface of the water tank (2), the second scale line (26) is equipped at the both sides of the front end of the solution tank (11).

5. A pickling installation for steel sheets as claimed in claim 1, characterized in that: The servo motor (21) is equipped at the top position of the left adjusting box (6), the screw rod (30) is equipped in the left adjusting box (6), the screw block (29) is connected with the outer portion of the screw rod (30), the guide rod (10) is equipped in the right adjusting box (6), the sliding sleeve (17) is connected with the outer portion of the guide rod (10).

6. A pickling installation for steel sheets as claimed in claim 5, characterized in that: Threaded connection is formed between the screw rod (30) and the screw block (29), sliding guide is formed between the guide rod (10) and the sliding sleeve (17).

7. A pickling installation for steel sheets as claimed in claim 5, characterized in that: The guide block (22) is fixed at the side position of the screw block (29) and the sliding sleeve (17), the guide groove is opened in the side of the adjusting box (6).

8. A pickling installation for steel sheets according to claim 7, characterized in that: The side of the guide block (22) is fixed with the link block (23), the top of the link block (23) is fixed with the positioning column (31), the upper side of the link block (23) is connected with the upper edge frame plate (34), the bottom of the upper edge frame plate (34) is equipped with the cleaning basket (9), the inside of the both sides of the upper edge frame plate (34) is opened with the positioning slot (32), the upper outside of the positioning column (31) is connected with the locking nut (33).