CN207845798U - A kind of acid cleaning of steel tube acid solution self-loopa pickling tube - Google Patents

Abstract

The utility model provides an acid liquid self-circulation pickling pool for pickling steel pipes, comprising a control box, a main support frame, an acid liquid tank, a driving motor, a transmission belt, a transmission wheel set, a circulation pump, an auxiliary support frame, and an acid liquid circulation pipe, fixing clip, blower, nozzle, first return pipe, second return pipe, raffinate return box, pickling box, filter plate, steel pipe, sealing gasket, through hole and handle, and one side of the main support frame is fixed with A control box, and an acid tank is arranged under the main support frame. The utility model has a driving motor, an acid liquid circulation pipe and a filter plate, and the arrangement has a simple structure, is convenient for improving the reuse rate of the pickling liquid, prevents the outflow of the pickling liquid, and ensures the personal safety of the staff.

Description

A kind of acid liquid self-circulating pickling pool for steel pipe pickling

technical field

The utility model belongs to the technical field of steel pipe processing, in particular to an acid liquid self-circulating pickling pool for pickling steel pipes.

Background technique

Steel pickling refers to making the strip steel have a clean and active surface to ensure the surface quality of the steel produced. In order to obtain such a surface, it is necessary to remove the oxide scale on the surface. The process realized for this is called pickling .

The Chinese patent publication number is CN 205560694 U. The name of the invention is a pickling tank for pickling steel pipes. It includes a tank body with an open top. Dilute sulfuric acid is placed in the tank body. A layer of thermal insulation layer, the outer surface of the thermal insulation layer is fixed with a layer of iron sheet, and the edge of the top opening of the pool body is provided with a circle of steam branch pipes with the gas outlet vertically downward, and the gas outlet of the steam branch pipes in the pool body is located in the dilute Below the liquid level of sulfuric acid, one end of the steam branch pipe outside the cell body is connected with a steam pipe, and a regulating valve for adjusting the steam flow is installed on the steam pipe, and a temperature sensor is installed in the body of the cell. The temperature sensor is electrically connected with a temperature display screen. However, the acid solution in the existing pickling pool is difficult to recycle. During the cleaning process, due to the deposition of rust or other substances, it needs to be replaced from time to time. The residual acid solution during the cleaning process may also cause harm to the staff.

Therefore, it is very necessary to invent a kind of steel pipe pickling acid solution self-circulation pickling pool.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a self-circulating acid pickling pool for pickling steel pipes to solve the problem that the existing pickling pool is difficult to recycle the acid, and during the cleaning process, due to the deposition of rust or other substances , need to be replaced from time to time, and the residual acid in the cleaning process may also cause harm to the staff. An acid self-circulating pickling tank for steel pipe pickling, including a control box, a main support frame, an acid liquid tank, a driving motor, a transmission belt, a transmission wheel set, a circulating pump, an auxiliary support frame, an acid liquid circulation pipe, and a fixing clip , blower, nozzle, first return pipe, second return pipe, raffinate return box, pickling box, filter plate, steel pipe, sealing gasket, through hole and handle, a control box is fixed on one side of the main support frame, and An acid tank is arranged under the main support frame, and a pickling tank, a residual liquid return tank, an auxiliary support frame, an acid liquid circulation pipe or a transmission wheel set are installed on the top of the main support frame in sequence according to the process flow; A second return pipe, a first return pipe, a circulation pump or a drive motor are installed on the top of the tank sequentially from front to back, wherein: the drive motor is connected to a transmission wheel set through a transmission belt; one end of the circulation pump is connected to an acid tank through a pipeline, The other end is connected with a spray head through the acid liquid circulation pipe, and the two ends of the acid liquid circulation pipe are fixed on both sides of the auxiliary support frame by fixing clips, and a blower is installed under the auxiliary support frame; the first return pipe or the second return flow pipe The pipes are respectively installed under the raffinate reflux tank or the pickling tank through the sealing gasket; there are through holes on both sides of the pickling tank, and a steel pipe passes through the inside of the through hole, and a filter plate is installed under the steel pipe through the groove The number of the filter plate is two, and the other is installed in the middle of the raffinate return box through the groove, and a handle is installed on one side of the filter plate inside the pickling box.

The control box includes a start button, a stop button, a controller and a power cord, and the start button or the stop button are successively installed on the same horizontal plane on the front side of the control box, and the start button or the stop button is connected to the controller by a wire; The above-mentioned controller is fixed inside the control box, and the controller is connected to an external power supply through a power cord.

The controller includes a voltage transforming module, a microprocessor, a first driving module, a second driving module and a third driving module, the upper end of the microprocessor is connected with a start button or a stop button through a wire, and one end of the microprocessor is passed The wire is connected with a transformer module; one end of the first driving module, the second driving module or the third driving module is connected with the microprocessor through a signal wire, and the other end is connected with a circulating pump, a blower or a driving motor through a wire.

The circulating pump adopts a centrifugal corrosion-resistant pump, and the upper end of the circulating pump is connected with an acid circulation pipe. The acid circulation pipe adopts a cylindrical aluminum alloy steel plate with a cavity inside, and has strong corrosion resistance and a simple structure. , It is convenient to improve the service life of the equipment, increase the utilization rate of the pickling solution, and improve the working efficiency of the equipment.

The filter plate adopts a stainless steel filter plate, and a stainless steel handle is installed at one end of the filter plate, which is convenient for filtering out impurities in the pickling solution and is conducive to the reuse of the pickling solution. Conducive to market application and promotion.

There are two sealing pads, both of which are asbestos pads, which have good sealing and corrosion resistance, avoid the leakage of pickling liquid, and ensure the personal safety of the staff.

Compared with the prior art, the utility model has the following beneficial effects:

1. The arrangement of the circulation pump or the acid circulation pipe of the utility model has a simple structure, which is convenient to improve the service life of the equipment, increase the utilization rate of the pickling solution, and improve the working efficiency of the equipment.

2. The setting of the filter plate of the utility model is convenient for filtering out impurities in the pickling solution, which is beneficial to the reuse of the pickling solution. At the same time, it is convenient to take out the filter plate through the handle, and it is easy to disassemble, which is beneficial to market application and promotion.

3. The setting of the sealing gasket of the utility model has good sealing and corrosion resistance, avoids the leakage of the pickling solution, and ensures the personal safety of the staff.

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the utility model.

Fig. 2 is a structural schematic diagram of the control box of the present invention.

Fig. 3 is a schematic diagram of an enlarged structure at A-A of the present invention.

Fig. 4 is a schematic diagram of the enlarged structure at B-B of the present invention.

Fig. 5 is a schematic diagram of the circuit connection structure of the utility model.

In the picture:

1-control box, 101-start button, 102-stop button, 103-controller, 1031-transformer module, 1032-microprocessor, 1033-first drive module, 1034-second drive module, 1035-third Drive module, 104-power cord, 2-main support frame, 3-acid tank, 4-drive motor, 5-transmission belt, 6-transmission wheel set, 7-circulation pump, 8-sub-support frame, 9-acid Liquid circulation pipe, 10-fixing clip, 11-blower, 12-nozzle, 13-first return pipe, 14-second return pipe, 15-residue return box, 16-pickling box, 17-filter plate, 18 -steel pipe, 19-sealing pad, 20-through hole, 21-handle.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Example:

As shown in Figure 1 to Figure 5

The utility model provides an acid self-circulating pickling pool for steel pipe pickling, which includes a control box 1, a main support frame 2, an acid tank 3, a drive motor 4, a transmission belt 5, a transmission wheel set 6, and a circulation pump 7. Auxiliary support frame 8, acid liquid circulation pipe 9, fixing clip 10, blower 11, nozzle 12, first return pipe 13, second return pipe 14, raffinate return tank 15, pickling tank 16, filter plate 17, steel pipe 18 , sealing gasket 19, through hole 20 and handle 21, the control box 1 is fixed on one side of the main support frame 2, and the acid liquid tank 3 is arranged below the main support frame 2, and the top of the main support frame 2 is from the front to the bottom according to the process flow A pickling tank 16, a raffinate reflux tank 15, an auxiliary support frame 8, an acid liquid circulation pipe 9 or a transmission wheel group 6 are installed in sequence; The first return pipe 13, circulation pump 7 or drive motor 4, wherein: the drive motor 4 is connected with the transmission wheel set 6 through the transmission belt; one end of the circulation pump 7 is connected with the acid tank 3 through the pipeline, and the other end is circulated through the acid solution The pipe 9 is connected with a spray head 12, and the two ends of the acid circulation pipe 9 are fixed on both sides of the auxiliary support frame 8 through the fixing clip 10, and a blower 11 is installed under the auxiliary support frame 8; the first return pipe 13 or the second The two return pipes 14 are respectively installed below the raffinate reflux tank 15 or the pickling tank 16 through the gasket 19; the pickling tank 16 both sides are provided with a through hole 20, the inside of the through hole 20 passes through a steel pipe 18, and The bottom of the steel pipe 18 is equipped with a filter plate 17 through the groove; the number of the filter plate 17 is two, and the other is installed in the middle of the raffinate return tank 15 through the groove, and one side of the filter plate 17 inside the pickling tank 16 A handle 21 is installed.

Described control box 1 comprises start button 101, stop button 102, controller 103 and power cord 104, and described start button 101 or stop button 102 are installed on the same horizontal plane of control box 1 front side successively, and start button 101 or stop The button 102 is connected to a controller 103 through wires; the controller 103 is fixed inside the control box 1 , and the controller 103 is connected to an external power source through a power cord 104 .

The controller 103 includes a voltage transformation module 1031, a microprocessor 1032, a first drive module 1033, a second drive module 1034 and a third drive module 1035, and the upper end of the microprocessor 1032 is connected with a start button 101 or a stop button 101 by a wire. button 102, and one end of the microprocessor 1032 is connected to the transformer module 1031 through a wire; one end of the first drive module 1033, the second drive module 1034 or the third drive module 1035 is connected to the microprocessor 1032 through a signal line, and the other end Connect with circulation pump 7, blower 11 or driving motor 4 by wire.

The circulating pump 7 adopts a centrifugal corrosion-resistant pump, and the upper end of the circulating pump 7 is connected with an acid circulation pipe 9. The acid circulation pipe 9 adopts an aluminum alloy steel plate with a cylindrical structure, and the inside is a cavity, and the corrosion resistance is relatively high. Strong, simple structure, easy to improve the service life of the equipment, increase the utilization rate of pickling liquid, and improve the working efficiency of the equipment.

The filter plate 17 adopts a stainless steel filter plate, and a stainless steel handle is installed at one end of the filter plate 17, which is convenient for filtering out impurities in the pickling solution, and is conducive to the reuse of the pickling solution. At the same time, it is convenient to take out the filter plate by the handle 21. The disassembly is convenient, which is beneficial to market application and promotion.

There are two sealing pads 19, both of which are asbestos pads, which have good sealing and corrosion resistance, avoid the leakage of pickling liquid, and ensure the personal safety of the staff.

working principle

In the utility model, the steel pipe 18 is passed through the through hole 20, and one end is placed in the middle part of the drive wheel group 6, the power supply is connected through the power cord 104, the start button 101 is pressed, the circulation pump 7 works, and the acid liquid tank 3 The pickling liquid reaches the position of the nozzle 12 through the acid circulation pipe 9, and then sprays out in the pickling tank 16 to rinse the steel pipe 18, and the rust or other impurities washed out are filtered out by the filter plate 17, and other pickling Because of gravity, the liquid will flow back to the acid tank 3 through the second return pipe 14, and the blower 11 will also start running when the circulation pump 7 works, and the acid liquid left on the steel pipe 18 after the acid liquid flushing will be blown off. , fall into the raffinate return box 15, flow back to the acid tank 3 through the first return pipe 13, and the steel pipe 18 blown by the blower 11 moves to one side by the movement of the transmission wheel set 6, and pickling is completed.

Utilize the technical solution described in the utility model, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the utility model, and achieve the above-mentioned technical effects, all fall into the protection scope of the utility model.

Claims (6)

1. a steel pipe pickling acid self-circulation pickling pool is characterized in that: comprise control box (1), main support frame (2), acid tank (3), drive motor (4), transmission belt ( 5), transmission wheel set (6), circulation pump (7), auxiliary support frame (8), acid circulation pipe (9), fixing clip (10), blower (11), nozzle (12), first return flow Pipe (13), second return pipe (14), raffinate return tank (15), pickling tank (16), filter plate (17), steel pipe (18), gasket (19), through hole (20) and a handle (21), a control box (1) is fixed on one side of the main support frame (2), and an acid liquid tank (3) is arranged below the main support frame (2), and the top of the main support frame (2) according to The process flow is equipped with a pickling box (16), a raffinate backflow box (15), an auxiliary support frame (8), an acid circulation pipe (9) or a transmission wheel group (6) from front to back; (3) The second return pipe (14), the first return pipe (13), the circulation pump (7) or the drive motor (4) are installed in order from front to back at the top, wherein: the drive motor (4) is connected by a transmission belt The transmission wheel set (6); one end of the circulation pump (7) is connected to the acid tank (3) through a pipeline, and the other end is connected to a nozzle (12) through an acid circulation pipe (9), and the acid circulation pipe (9) ) two ends are fixed on the both sides of auxiliary support frame (8) by fixing clip (10), and blower (11) is installed under this auxiliary support frame (8); Described first return pipe (13) or second return flow The pipe (14) is respectively installed under the raffinate reflux tank (15) or the pickling tank (16) through the gasket (19); the two sides of the pickling tank (16) are provided with through holes (20), the through holes A steel pipe (18) passes through the inside of the hole (20), and a filter plate (17) is installed through a groove under the steel pipe (18); two filter plates (17) are used in quantity, and the other is installed on the The middle part of the raffinate reflux box (15), and the filter plate (17) side of the pickling box (16) inside is equipped with a handle (21). 2. steel pipe pickling as claimed in claim 1 is characterized in that: described control box (1) comprises start button (101), stop button (102), controller (103) and the power cord (104), the start button (101) or the stop button (102) are installed on the same level of the front side of the control box (1) in turn, and the start button (101) or the stop button (102) are connected by wires There is a controller (103); the controller (103) is fixed inside the control box (1), and the controller (103) is connected to an external power source through a power line (104). 3. steel pipe pickling as claimed in claim 2 is characterized in that: described controller (103) comprises pressure transformation module (1031), microprocessor (1032), the first drive module (1033), a second drive module (1034) and a third drive module (1035), the upper end of the microprocessor (1032) is connected with a start button (101) or a stop button (102) by a wire, and the microprocessor (1032) one end is connected with transformer module (1031) by wire; Described first driver module (1033), the second driver module (1034) or the third driver module (1035) one end is connected with microprocessor (1032) by signal line ), and the other end is connected with a circulation pump (7), a blower (11) or a driving motor (4) by a wire. 4. The steel pipe pickling acid self-circulating pickling tank as claimed in claim 1, characterized in that: the circulating pump (7) adopts a centrifugal corrosion-resistant pump, and the upper end of the circulating pump (7) is connected with an acid solution A circulation pipe (9), the acid liquid circulation pipe (9) adopts an aluminum alloy steel plate with a cylindrical structure, and the inside is a cavity. 5. The acid liquid self-circulating pickling tank for steel pipe pickling as claimed in claim 1, characterized in that: the filter plate (17) is a stainless steel filter plate, and a stainless steel handle is installed at one end of the filter plate (17). 6. The acid liquid self-circulating pickling tank for steel pipe pickling according to claim 1, characterized in that: the number of the sealing gaskets (19) is two, and both of them are asbestos gaskets.