CN218812121U

CN218812121U - Energy-saving environment-friendly pickling bath for stainless steel pipe

Info

Publication number: CN218812121U
Application number: CN202223401901.0U
Authority: CN
Inventors: 邱忠平
Original assignee: Zhejiang Haohong Stainless Steel Co ltd
Current assignee: Zhejiang Haohong Stainless Steel Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-07
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of stainless steel pickling, and particularly discloses an energy-saving and environment-friendly pickling tank for stainless steel pipes, which comprises an acid water recovery structure; the filter box is characterized in that a groove is formed in the outer side of the filter box, a cover plate is arranged in the groove and is embedded with the groove, a filter screen is arranged on the cover plate, the cover plate and the filter screen are both arc-shaped, clamping plates are symmetrically arranged at the joint of the cover plate and the filter box, and the cover plate is clamped with the filter box through the clamping plates; the outer side of the filter box is arc-shaped, a stirring shaft is arranged at the circle center inside the filter box, a plurality of stirring rods are arranged on the outer side of the stirring shaft, and the end parts of the stirring rods are attached to the inner wall of the filter screen; the driving motor drives the stirring rod and the stirring shaft to rotate, so that the stirring rod is adsorbed on the filter screen to be scraped, the filter screen is prevented from being blocked, the stainless steel pickling solution enters the transfer box after being filtered by the filter screen, and is pumped into the storage box through the first water pump, and the stainless steel pickling solution in the storage box is pumped into the cleaning tank again through the second water pump for recycling.

Description

Energy-saving environment-friendly pickling bath for stainless steel pipe

Technical Field

The utility model relates to the technical field of stainless steel pickling, in particular to an energy-saving and environment-friendly pickling tank for stainless steel pipes.

Background

The black and yellow oxide skin appears in the stainless steel during the processing, in order to improve the appearance and the corrosion resistance of the stainless steel, the processed stainless steel needs to be subjected to acid pickling passivation treatment, the purpose is to remove the oxide skin generated after welding and high-temperature processing treatment, to ensure that the oxide skin is silvery and bright, and to ensure that a layer of oxidation film taking chromium as a main substance is formed on the surface after the treatment, secondary oxygen corrosion can not be generated, so that the passivation purpose is achieved, the surface corrosion resistance quality of a stainless steel product is improved, and the service life of equipment is prolonged.

Along with the development of the stainless steel industry and the surface treatment industry thereof, the stainless steel pickling waste liquid exceeding million cubic meters can be generated every year in China, not only resources are wasted, but also the environment is polluted, therefore, a stainless steel pickling liquid recovery structure can be arranged on a stainless steel pickling tank, the liquid after cleaning is collected for secondary utilization after a stainless steel pipe is cleaned, but residues can be remained after the stainless steel is pickled, and the residues cause filter screen blockage, so that the stainless steel pickling liquid can not be recovered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an energy-saving and environment-friendly pickling bath for stainless steel pipes, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: nonrust steel pipe is with energy-concerving and environment-protective type pickling bath, its characterized in that: comprises an acid water recovery structure;

the acid water recovery structure comprises a cleaning pool, a transfer case, a storage box, a filter box, a stirring shaft, a stirring rod and a driving motor, wherein the filter box is arranged on one side of the cleaning pool, the transfer case is arranged on one side of the filter box, and the storage box is arranged on one side of the transfer case away from the filter box;

the filter box is characterized in that a groove is formed in the outer side of the filter box, a cover plate is arranged in the groove, the cover plate is embedded in the groove, a filter screen is arranged on the cover plate, the cover plate and the filter screen are both arc-shaped, clamping plates are symmetrically arranged at the joint of the cover plate and the filter box, and the cover plate is clamped with the filter box through the clamping plates;

the outside of filter cartridge is circular-arc, and the inside centre of a circle department of filter cartridge is provided with the (mixing) shaft, and the outside of (mixing) shaft is provided with a plurality of puddlers, and the tip and the laminating of filter screen inner wall of puddler.

Preferably, the inside of washing pond is provided with the deflector, and the deflector is the slope form, and the deflector is located the height that the height of transfer case one end is less than the height of the other end.

Preferably, a first water pump is arranged at the joint of the top of the transfer box and the top of the storage box, a water pumping pipe is arranged at one end of the first water pump, one end, far away from the first water pump, of the water pumping pipe extends into the transfer box, a water discharging pipe is arranged at the other end of the first water pump, and one end, far away from the first water pump, of the water discharging pipe extends into the storage box.

Preferably, a second water pump is arranged at the joint of the transfer box and the top of the storage box, a first return pipe is arranged at one end of the second water pump, one end, far away from the second water pump, of the first return pipe extends into the storage box, a second return pipe is arranged at the other end of the second water pump, and one end, far away from the second water pump, of the second return pipe extends into the cleaning pool.

Preferably, the water pumping pipe and the water discharging pipe on the first water pump are corrosion-resistant pipes.

Preferably, the first return pipe and the second return pipe on the second water pump are corrosion-resistant pipes.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses make the improvement to the acid water recovery structure, the inside that will wash the pond increases the deflector, make stainless steel pickle flow to ground, and the residue gathering is in low-lying department, driving motor drives puddler and (mixing) shaft rotation, make the puddler will adsorb scraping on the filter screen, avoid the filter screen to block up, stainless steel pickle gets into the transfer case after filtering through the filter screen, through first water pump suction storage box in, through the stainless steel pickle suction scavenging pool once more of second water pump in with the storage box, cyclic use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the explosion structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a cleaning tank; 2. a guide plate; 3. a transfer box; 4. a storage box; 5. a filter cartridge; 6. a groove; 7. clamping a plate; 8. a cover plate; 9. filtering with a screen; 10. a stirring shaft; 11. a stirring rod; 12. a drive motor; 13. a first water pump; 14. a water pumping pipe; 15. a drain pipe; 16. a second water pump; 17. a first return pipe; 18. a second return line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: an energy-saving environment-friendly pickling tank for stainless steel pipes comprises an acid water recovery structure;

the acid water recovery structure comprises a cleaning pool 1, a transfer case 3, a storage box 4, a filter box 5, a stirring shaft 10, a stirring rod 11 and a driving motor 12, wherein the filter box 5 is arranged on one side of the cleaning pool 1, the transfer case 3 is arranged on one side of the filter box 5, and the storage box 4 is arranged on one side of the transfer case 3 away from the filter box 5;

a groove 6 is formed in the outer side of the filter box 5, a cover plate 8 is arranged inside the groove 6, the cover plate 8 is embedded with the groove 6, a filter screen 9 is arranged on the cover plate 8, the cover plate 8 and the filter screen 9 are both arc-shaped, clamping plates 7 are symmetrically arranged at the connecting positions of the cover plate 8 and the filter box 5, and the cover plate 8 is clamped with the filter box 5 through the clamping plates 7;

the outside of filter box 5 is circular-arc, and the centre of a circle department of filter box 5 inside is provided with (mixing) shaft 10, and the outside of (mixing) shaft 10 is provided with a plurality of puddlers 11, and the tip of puddler 11 and the laminating of filter screen 9 inner wall.

Further, the inside of washing pond 1 is provided with deflector 2, and deflector 2 is the slope form, and deflector 2 is located the height that the height of transfer case 3 one end is less than the height of the other end.

Furthermore, the junction at transfer box 3 and storage box 4 top is provided with first water pump 13, and the one end of first water pump 13 is provided with drinking-water pipe 14, and the one end that first water pump 13 was kept away from to drinking-water pipe 14 stretches into the inside of transfer box 3, and the other end of first water pump 13 is provided with drain pipe 15, and the one end that first water pump 13 was kept away from to drain pipe 15 stretches into in the storage box 4.

Furthermore, a second water pump 16 is arranged at the connection position of the middle rotating box 3 and the top of the storage box 4, one end of the second water pump 16 is provided with a first return pipe 17, one end of the first return pipe 17, which is far away from the second water pump 16, extends into the storage box 4, the other end of the second water pump 16 is provided with a second return pipe 18, and one end of the second return pipe 18, which is far away from the second water pump 16, extends into the washing pool 1.

Further, the water pumping pipe 14 and the water discharging pipe 15 of the first water pump 13 are corrosion-resistant pipes.

Further, the first return pipe 17 and the second return pipe 18 of the second water pump 16 are corrosion-resistant pipes.

The working principle is as follows: when the stainless steel pickling tank is used, the inside of the cleaning tank 1 is filled with stainless steel pickling solution, then a stainless steel pipe is placed in the cleaning tank 1 for cleaning, the guide plate 2 is arranged inside the cleaning tank 1, so that the flow direction of the stainless steel pickling solution is controlled, the stainless steel pickling solution enters the transfer box 3 after being filtered by the filter screen 9, the driving motor 12 is started to drive the stirring rod 11 and the stirring shaft 10 to rotate, residues adsorbed on the filter screen 9 are scraped off, the filter screen 9 is prevented from being blocked, the stainless steel pickling solution in the transfer box 3 is extracted into the storage tank 4 through the first water pump 13, the stainless steel pickling solution in the storage tank 4 is extracted into the cleaning tank 1 through the second water pump 16, and the stainless steel pickling solution is recycled for multiple times;

further, the driving motor 12 is movably installed at the side of the filter box 5, and the driving motor 12 is detachable.

Further, after stainless steel pickle in the washing pond 1 all got into storage box 4 after filtering, demolish cardboard 7 for 8 detachable apron, when apron 8 and filter screen 9 take off, take out puddler 11 and (mixing) shaft 10 through leading to the groove, can clear up the inside residue of filter cartridge 5 with the (mixing) shaft.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Stainless steel is energy-concerving and environment-protective type pickling bath for pipe, its characterized in that: comprises an acid water recovery structure;

the acid water recovery structure comprises a cleaning pool (1), a transfer case (3), a storage box (4), a filter box (5), a stirring shaft (10), a stirring rod (11) and a driving motor (12), wherein the filter box (5) is arranged on one side of the cleaning pool (1), the transfer case (3) is arranged on one side of the filter box (5), and the storage box (4) is arranged on one side, far away from the filter box (5), of the transfer case (3);

a groove (6) is formed in the outer side of the filter box (5), a cover plate (8) is arranged in the groove (6), the cover plate (8) is embedded with the groove (6), a filter screen (9) is arranged on the cover plate (8), the cover plate (8) and the filter screen (9) are both arc-shaped, clamping plates (7) are symmetrically arranged at the connecting position of the cover plate (8) and the filter box (5), and the cover plate (8) is clamped with the filter box (5) through the clamping plates (7);

the outer side of the filter box (5) is arc-shaped, a stirring shaft (10) is arranged at the center of a circle inside the filter box (5), a plurality of stirring rods (11) are arranged on the outer side of the stirring shaft (10), and the end parts of the stirring rods (11) are attached to the inner wall of the filter screen (9).

2. The energy-saving and environment-friendly pickling bath for the stainless steel pipes as claimed in claim 1, is characterized in that: the inside of washing pond (1) is provided with deflector (2), and deflector (2) are the slope form, and deflector (2) are located the height that highly is less than the other end of transfer case (3) one end.

3. The energy-saving and environment-friendly pickling bath for the stainless steel pipes as claimed in claim 1, is characterized in that: junction at transfer case (3) and storage box (4) top is provided with first water pump (13), and the one end of first water pump (13) is provided with drinking-water pipe (14), and the one end that first water pump (13) were kept away from in drinking-water pipe (14) stretches into the inside of transfer case (3), and the other end of first water pump (13) is provided with drain pipe (15), and the one end that first water pump (13) were kept away from in drain pipe (15) stretches into in storage box (4).

4. The energy-saving and environment-friendly pickling bath for the stainless steel pipes as claimed in claim 1, is characterized in that: the washing device is characterized in that a second water pump (16) is arranged at the connecting position of the top of the middle rotating box (3) and the top of the storage box (4), a first return pipe (17) is arranged at one end of the second water pump (16), one end, far away from the second water pump (16), of the first return pipe (17) extends into the storage box (4), a second return pipe (18) is arranged at the other end of the second water pump (16), and one end, far away from the second water pump (16), of the second return pipe (18) extends into the washing pool (1).

5. The energy-saving environment-friendly pickling bath for the stainless steel pipes as claimed in claim 3, which is characterized in that: and a water pumping pipe (14) and a water discharging pipe (15) on the first water pump (13) are corrosion-resistant pipelines.

6. The energy-saving environment-friendly pickling bath for the stainless steel pipes as claimed in claim 4, which is characterized in that: the first return pipe (17) and the second return pipe (18) on the second water pump (16) are corrosion-resistant pipes.