Cold-rolled strip steel pickling device capable of achieving comprehensive cleaning

Abstract

The cold-rolled strip steel pickling device comprises a cold-rolled strip steel pickling device body and cold-rolled strip steel, a supporting base is arranged at the bottom of the cold-rolled strip steel pickling device body, a soaking pool is clamped and fixed in the supporting base, and a box body clamped with the soaking pool in a sealed mode is further arranged at the upper end of the supporting base. The bottom of the soaking pool is of a V-shaped structure, a soaking pool guide roller is installed on the lower portion of the middle of the V-shaped structure of the soaking pool, a first guide roller, a second guide roller, a third guide roller, a fourth guide roller and a fifth guide roller are installed in the box body in parallel, and the axis of the first guide roller and the axis of the second guide roller are located on the same plane. The cold-rolled strip steel pickling device capable of achieving comprehensive cleaning is small in occupied area, the two faces of cold-rolled strip steel can be subjected to pre-flushing, pickling soaking and thorough scraping after soaking, acid liquid leakage is avoided, and the cold-rolled strip steel is efficiently and comprehensively cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of cold-rolled strip steel pickling, in particular to a cold-rolled strip steel pickling device capable of comprehensive cleaning. Background Art

[0002] Cold-rolled strip is a steel product made through a specific production process, with a thickness usually between 0.1 and 3 mm and a width between 100 and 2000 mm. The purpose of pickling cold-rolled strip is to remove surface oxide scale and impurities by chemical means, improve surface quality, create good conditions for subsequent processing, and enhance the product's anti-corrosion performance, while taking into account environmental protection and operational safety.

[0003] Existing cold-rolled strip pickling equipment usually pre-pickles the cold-rolled strip first, and then soaks it. The equipment occupies a large area. At the same time, after the cold-rolled strip is pickled, acid will remain on the surface. If the acid is taken out, it will cause corrosion and other adverse effects on the equipment. Utility Model Content

[0004] The utility model aims to provide a cold-rolled strip pickling device which can be fully cleaned, so as to solve the problem raised in the above-mentioned background technology that the cold-rolled strip pickling device currently on the market usually pre-pickles the cold-rolled strip first, and then performs a soaking treatment, the equipment occupies a large area, and at the same time, after the cold-rolled strip is pickled, acid liquid will remain on the surface. If the acid liquid is brought out, it will cause corrosion and other adverse effects on the equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold-rolled strip pickling device that can be fully cleaned, comprising a cold-rolled strip pickling device body and a cold-rolled strip, a support base is provided at the bottom of the cold-rolled strip pickling device body, and a immersion tank is clamped and fixed in the support base, and a box body that is sealed and clamped with the immersion tank is also provided at the upper end of the support base, the bottom of the immersion tank is a V-shaped structure, and a immersion tank guide roller is installed at the lower middle part of the V-shaped structure of the immersion tank, a first guide roller, a second guide roller, a third guide roller, a fourth guide roller, and a fifth guide roller are installed in parallel in the box body, and the axes of the first guide roller and the second guide roller are in the same plane, and the axes of the third guide roller, the fourth guide roller, and the fifth guide roller are in the same plane, and a first side flushing pipe and a second side flushing pipe are respectively provided on both sides of the cold-rolled strip.

[0006] Preferably, an infusion pump and a filter box are installed in the support base, and an infusion tube is fixed to the liquid outlet end of the infusion pump, and the infusion tube is connected to the first side flushing tube and the second side flushing tube respectively, the liquid inlet end of the infusion pump is connected to the filter box, and a connecting tube is fixed between the filter box and the immersion pool.

[0007] Preferably, a discharge through hole and a feed through hole are respectively provided on two opposite sides of the box body, and a discharge guide roller and a feed guide roller are respectively installed at the discharge through hole and the feed through hole, the lower side of the box body on which the discharge through hole is provided is an inclined surface, and a visual inspection door is installed on the inclined surface of the box body, and scraper plates are symmetrically fixed above the third guide roller and the fourth guide roller in the box body, and the scraper plates are clamped on both sides of the cold-rolled strip.

[0008] Preferably, the first guide roller and the second guide roller form a clamping roller structure, and the first guide roller and the second guide roller are located at the lower left side of the fifth guide roller, the fifth guide roller and the third guide roller form a clamping roller structure, and the third guide roller and the fourth guide roller form a clamping roller structure, and the third guide roller is located directly above the immersion tank guide roller.

[0009] Preferably, the cold-rolled steel strip is tilted between the feed guide roller and the fifth guide roller, and the first side flushing pipe is arranged at the highest point of the cold-rolled steel strip between the feed guide roller and the fifth guide roller. The cold-rolled steel strip is also tilted between the fifth guide roller and the first guide roller, and the second side flushing pipe is arranged at the highest point of the cold-rolled steel strip between the fifth guide roller and the first guide roller.

[0010] Preferably, the cold-rolled steel strip is also arranged obliquely between the first guide roller and the immersion tank guide roller, and the cold-rolled steel strip is arranged vertically between the immersion tank guide roller and the fourth guide roller and the discharge guide roller.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the cold-rolled steel strip pickling device that can be fully cleaned occupies a small area, can pre-rinse both sides of the cold-rolled steel strip, and then pickle and soak, scrape and clean after soaking, avoid leakage of acid, and allow the cold-rolled steel strip to be efficiently and fully cleaned. The cold-rolled steel strip pickling device that can be fully cleaned performs an inclined guiding treatment on the cold-rolled steel strip through a guide roller, so that both sides of the cold-rolled steel strip can be fully contacted with the acid during flushing, and the discharge section is set to a vertical structure, which can facilitate the removal of acid on both sides and avoid equipment corrosion problems caused by acid being carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a side view of the interior of a cold-rolled steel strip pickling device capable of full cleaning according to the utility model;

[0013] Figure 2 This is an external side view of a cold-rolled steel strip pickling device capable of full cleaning according to the utility model;

[0014] Figure 3 This is a top view of a box of a cold-rolled steel strip pickling device that can be fully cleaned according to the utility model;

[0015] Figure 4 The utility model is a top view of the internal structure of a cold-rolled strip pickling device capable of comprehensive cleaning.

[0016] In the figure: 1. Main body of cold-rolled strip pickling device; 2. Filter box; 3. Connecting pipe; 4. Guide roller of immersion tank; 5. Support base; 6. Immersion tank; 7. First side flushing pipe; 8. Second side flushing pipe; 9. Box body; 901. Discharge through hole; 902. Feed through hole; 903. Visual inspection door; 10. Discharge guide roller; 11. Feed guide roller; 12. Cold-rolled strip; 13. First guide roller; 14. Second guide roller; 15. Infusion pump; 16. Third guide roller; 17. Fourth guide roller; 18. Fifth guide roller; 19. Scraper; 20. Infusion pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4The utility model provides a technical solution: a cold-rolled steel strip pickling device that can be fully cleaned, comprising a cold-rolled steel strip pickling device body 1 and a cold-rolled steel strip 12, a support base 5 is provided at the bottom of the cold-rolled steel strip pickling device body 1, an infusion pump 15 and a filter box 2 are installed in the support base 5, and an infusion pipe 20 is fixed to the liquid outlet end of the infusion pump 15, and the infusion pipe 20 is respectively connected to the first side flushing pipe 7 and the second side flushing pipe 8, the liquid inlet end of the infusion pump 15 is connected to the filter box 2, and the filter box 2 is connected to the soaking tank 6 by a connecting pipe 3. The infusion pump 15 of this structure is an existing water pump structure, which can draw the soaking liquid in the soaking tank 6 into the filter box 2 for filtering, and then the filtered acid is discharged from the infusion pump 15. The liquid pipe 20 is transported to the first side flushing pipe 7 and the second side flushing pipe 8, so that the two sides of the cold-rolled strip 12 can be fully flushed through the first side flushing pipe 7 and the second side flushing pipe 8, so as to achieve the purpose of pre-pickling, and the immersion tank 6 is fixedly connected in the support base 5, and the upper end of the support base 5 is also provided with a box body 9 sealed and connected with the immersion tank 6, the bottom of the immersion tank 6 is a V-shaped structure, and the immersion tank guide roller 4 is installed in the middle lower part of the V-shaped structure of the immersion tank 6, the first guide roller 13, the second guide roller 14, the third guide roller 16, the fourth guide roller 17, and the fifth guide roller 18 are installed in parallel in the box body 9, and the two opposite sides of the box body 9 are respectively provided with discharge through holes 901 and a feed through hole 902, and a discharge guide roller 10 and a feed guide roller 11 are respectively installed at the discharge through hole 901 and the feed through hole 902, the lower side of the box body 9 where the discharge through hole 901 is opened is an inclined surface, and a visual inspection door 903 is installed on the inclined surface of the box body 9, and scraper plates 19 are symmetrically fixed above the third guide roller 16 and the fourth guide roller 17 in the box body 9, and the scraper plates 19 are clamped on both sides of the cold-rolled steel strip 12. This structure allows the cold-rolled steel strip 12 to be transported in the cold-rolled steel strip pickling device body 1 through the feed through hole 902 and the discharge through hole 901, and the visual inspection door 903 can be used to perform maintenance and repair on the inside of the cold-rolled steel strip pickling device body 1, and check the pickling condition, and the scraper plates 19 can clean the surface of the cold-rolled steel strip 12 after pickling to remove the liquid to prevent the acid from being brought out, and the axes of the first guide roller 13 and the second guide roller 14 are in the same plane, and the axes of the third guide roller 16, the fourth guide roller 17, and the fifth guide roller 18 are in the same plane, the first guide roller 13 and the second guide roller 14 constitute a clamping roller structure, and the first guide roller 13 and the second guide roller 14 are located at the left lower side of the fifth guide roller 18, the fifth guide roller 18 and the third guide roller 16 constitute a clamping roller structure, and the third guide roller 16 and the fourth guide roller 17 constitute a clamping roller structure, and the third guide roller 16 is located directly above the guide roller 4 of the immersion tank,This structure enables the fifth guide roller 18 and the third guide roller 16, the first guide roller 13 and the second guide roller 14, the third guide roller 16 and the fourth guide roller 17 to clamp and convey the cold-rolled steel strip 12 respectively. The first side flushing pipe 7 and the second side flushing pipe 8 are respectively provided on both sides of the cold-rolled steel strip 12. The cold-rolled steel strip 12 is tilted between the feed guide roller 11 and the fifth guide roller 18, and the first side flushing pipe 7 is provided at the highest point of the cold-rolled steel strip 12 between the feed guide roller 11 and the fifth guide roller 18. The cold-rolled steel strip 12 is tilted between the fifth guide roller 18 and the first guide roller 13. It is also tilted, and the second side flushing pipe 8 is set at the highest point of the cold-rolled steel strip 12 between the fifth guide roller 18 and the first guide roller 13. In this structure, the cold-rolled steel strip 12 passes through the inclined surface, so that the acid solution can have enough contact time after being sprayed on the cold-rolled steel strip 12, ensuring the pickling effect. The cold-rolled steel strip 12 is also tilted between the first guide roller 13 and the immersion tank guide roller 4, and the cold-rolled steel strip 12 is vertically set between the immersion tank guide roller 4 and the fourth guide roller 17 and the discharge guide roller 10. After the cold-rolled steel strip 12 is soaked in acid, this structure can be vertically set to allow the acid on both sides to flow down.

[0019] Working principle: When using the fully cleanable cold-rolled strip pickling device, first, the cold-rolled strip 12 enters the box body 9 from the feed through hole 902 through the guide of the feed guide roller 11, and the infusion pump 15 draws the acid in the immersion tank 6 from the connecting pipe 3 into the filter box 2 for filtration, and then the acid is transported to the first side flushing pipe 7 and the second side flushing pipe 8 by the infusion pipe 20. The support base 5 plays a bottom support role for the main body 1 of the cold-rolled strip pickling device, and the first side flushing pipe 7 sprays acid on the cold-rolled strip 12 inclined between the feed guide roller 11 and the fifth guide roller 18, and pre-pickling is performed on one side of the cold-rolled strip 12. The fifth guide roller 18 and the third guide roller 16 clamp and convey the cold-rolled strip 12, and then the second side flushing pipe 8 The other side of the cold-rolled steel strip 12 obliquely arranged between the roller 18 and the first guide roller 13 is sprayed with acid to achieve pre-pickling treatment of the other side of the cold-rolled steel strip 12. The first guide roller 13 and the second guide roller 14 also clamp and convey the cold-rolled steel strip 12. Then the cold-rolled steel strip 12 enters the immersion tank 6 through the immersion tank guide roller 4 for pickling and soaking treatment. Then the cold-rolled steel strip 12 is clamped by the third guide roller 16 and the fourth guide roller 17 for vertical transmission. After the scraper plate 19 scrapes the two sides of the cold-rolled steel strip 12, it is discharged from the discharge through hole 901 through the discharge guide roller 10 to complete the pickling. The pickling inspection can be carried out through the visual inspection door 903. At the same time, the internal maintenance of the cold-rolled steel strip pickling device body 1 can be carried out, thereby completing a series of work.

[0020] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cold-rolled steel strip pickling device capable of full cleaning, comprising a cold-rolled steel strip pickling device body (1) and a cold-rolled steel strip (12), characterized in that: A support base (5) is provided at the bottom of the cold-rolled steel strip pickling device body (1), and a soaking tank (6) is clamped and fixed in the support base (5), and a box body (9) is provided at the upper end of the support base (5) and is sealed and clamped with the soaking tank (6). The bottom of the soaking tank (6) is a V-shaped structure, and a soaking tank guide roller (4) is installed at the middle lower part of the V-shaped structure of the soaking tank (6). A first guide roller (13), a second guide roller (14), a third guide roller (16), a fourth guide roller (17), and a fifth guide roller (18) are installed in parallel in the box body (9), and the axes of the first guide roller (13) and the second guide roller (14) are in the same plane, and the axes of the third guide roller (16), the fourth guide roller (17), and the fifth guide roller (18) are in the same plane. A first side flushing pipe (7) and a second side flushing pipe (8) are respectively provided on both sides of the cold-rolled steel strip (12).

2. A cold-rolled steel strip pickling device capable of full cleaning according to claim 1, characterized in that: An infusion pump (15) and a filter box (2) are installed in the support base (5), and an infusion tube (20) is fixed to the liquid outlet of the infusion pump (15), and the infusion tube (20) is connected to the first side flushing tube (7) and the second side flushing tube (8) respectively. The liquid inlet of the infusion pump (15) is connected to the filter box (2), and a connecting tube (3) is connected and fixed between the filter box (2) and the soaking tank (6).

3. A cold-rolled steel strip pickling device capable of full cleaning according to claim 1, characterized in that: The box body (9) is provided with a discharge through hole (901) and a feed through hole (902) on two opposite sides thereof, and a discharge guide roller (10) and a feed guide roller (11) are respectively installed at the discharge through hole (901) and the feed through hole (902). The lower side of the box body (9) on which the discharge through hole (901) is provided is an inclined surface, and a visual inspection door (903) is installed on the inclined surface of the box body (9). Scraping plates (19) are symmetrically fixed above the third guide roller (16) and the fourth guide roller (17) in the box body (9), and the scraping plates (19) are clamped on both sides of the cold-rolled steel strip (12).

4. The cold-rolled steel strip pickling device capable of full cleaning according to claim 1, characterized in that: The first guide roller (13) and the second guide roller (14) form a clamping roller structure, and the first guide roller (13) and the second guide roller (14) are located below the left side of the fifth guide roller (18), the fifth guide roller (18) and the third guide roller (16) form a clamping roller structure, and the third guide roller (16) and the fourth guide roller (17) form a clamping roller structure, and the third guide roller (16) is located directly above the soaking tank guide roller (4).

5. The cold-rolled steel strip pickling device capable of full cleaning according to claim 1, characterized in that: The cold-rolled steel strip (12) is arranged obliquely between the feed guide roller (11) and the fifth guide roller (18), and the first side flushing pipe (7) is arranged at the highest point of the cold-rolled steel strip (12) between the feed guide roller (11) and the fifth guide roller (18). The cold-rolled steel strip (12) is also arranged obliquely between the fifth guide roller (18) and the first guide roller (13), and the second side flushing pipe (8) is arranged at the highest point of the cold-rolled steel strip (12) between the fifth guide roller (18) and the first guide roller (13).

6. The cold-rolled steel strip pickling device capable of full cleaning according to claim 1, characterized in that: The cold-rolled steel strip (12) is also arranged obliquely between the first guide roller (13) and the immersion tank guide roller (4), and the cold-rolled steel strip (12) is arranged vertically between the immersion tank guide roller (4) and the fourth guide roller (17) and the discharge guide roller (10).

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